diff --git a/EmiCalculator/.idea/gradle.xml b/EmiCalculator/.idea/gradle.xml
index 5cd135a0..54f1cef3 100644
--- a/EmiCalculator/.idea/gradle.xml
+++ b/EmiCalculator/.idea/gradle.xml
@@ -4,6 +4,9 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
+        <compositeConfiguration>
+          <compositeBuild compositeDefinitionSource="SCRIPT" />
+        </compositeConfiguration>
         <option name="testRunner" value="PLATFORM" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
diff --git a/Scientific Calculator/.gradle/buildOutputCleanup/cache.properties b/Scientific Calculator/.gradle/buildOutputCleanup/cache.properties
new file mode 100644
index 00000000..fa17f375
--- /dev/null
+++ b/Scientific Calculator/.gradle/buildOutputCleanup/cache.properties	
@@ -0,0 +1,2 @@
+#Thu Oct 29 15:58:33 IST 2020
+gradle.version=6.1.1
diff --git a/Scientific Calculator/.gradle/checksums/md5-checksums.bin b/Scientific Calculator/.gradle/checksums/md5-checksums.bin
new file mode 100644
index 00000000..43321f87
Binary files /dev/null and b/Scientific Calculator/.gradle/checksums/md5-checksums.bin differ
diff --git a/Scientific Calculator/.gradle/checksums/sha1-checksums.bin b/Scientific Calculator/.gradle/checksums/sha1-checksums.bin
new file mode 100644
index 00000000..458133e8
Binary files /dev/null and b/Scientific Calculator/.gradle/checksums/sha1-checksums.bin differ
diff --git a/Scientific Calculator/.idea/.gitignore b/Scientific Calculator/.idea/.gitignore
new file mode 100644
index 00000000..5c98b428
--- /dev/null
+++ b/Scientific Calculator/.idea/.gitignore	
@@ -0,0 +1,2 @@
+# Default ignored files
+/workspace.xml
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/.name b/Scientific Calculator/.idea/.name
new file mode 100644
index 00000000..f925774d
--- /dev/null
+++ b/Scientific Calculator/.idea/.name	
@@ -0,0 +1 @@
+Basic Calculator
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/caches/build_file_checksums.ser b/Scientific Calculator/.idea/caches/build_file_checksums.ser
new file mode 100644
index 00000000..82febc9e
Binary files /dev/null and b/Scientific Calculator/.idea/caches/build_file_checksums.ser differ
diff --git a/Scientific Calculator/.idea/codeStyles/Project.xml b/Scientific Calculator/.idea/codeStyles/Project.xml
new file mode 100644
index 00000000..0d156937
--- /dev/null
+++ b/Scientific Calculator/.idea/codeStyles/Project.xml	
@@ -0,0 +1,134 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <JetCodeStyleSettings>
+      <option name="PACKAGES_TO_USE_STAR_IMPORTS">
+        <value>
+          <package name="java.util" alias="false" withSubpackages="false" />
+          <package name="kotlinx.android.synthetic" alias="false" withSubpackages="true" />
+          <package name="io.ktor" alias="false" withSubpackages="true" />
+        </value>
+      </option>
+      <option name="PACKAGES_IMPORT_LAYOUT">
+        <value>
+          <package name="" alias="false" withSubpackages="true" />
+          <package name="java" alias="false" withSubpackages="true" />
+          <package name="javax" alias="false" withSubpackages="true" />
+          <package name="kotlin" alias="false" withSubpackages="true" />
+          <package name="" alias="true" withSubpackages="true" />
+        </value>
+      </option>
+    </JetCodeStyleSettings>
+    <codeStyleSettings language="XML">
+      <indentOptions>
+        <option name="CONTINUATION_INDENT_SIZE" value="4" />
+      </indentOptions>
+      <arrangement>
+        <rules>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>xmlns:android</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>xmlns:.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*:id</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*:name</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>name</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>style</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>^$</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>ANDROID_ATTRIBUTE_ORDER</order>
+            </rule>
+          </section>
+          <section>
+            <rule>
+              <match>
+                <AND>
+                  <NAME>.*</NAME>
+                  <XML_ATTRIBUTE />
+                  <XML_NAMESPACE>.*</XML_NAMESPACE>
+                </AND>
+              </match>
+              <order>BY_NAME</order>
+            </rule>
+          </section>
+        </rules>
+      </arrangement>
+    </codeStyleSettings>
+  </code_scheme>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/gradle.xml b/Scientific Calculator/.idea/gradle.xml
new file mode 100644
index 00000000..b9f8a5eb
--- /dev/null
+++ b/Scientific Calculator/.idea/gradle.xml	
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="testRunner" value="PLATFORM" />
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="1.8" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+        <option name="resolveModulePerSourceSet" value="false" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/jarRepositories.xml b/Scientific Calculator/.idea/jarRepositories.xml
new file mode 100644
index 00000000..a5f05cd8
--- /dev/null
+++ b/Scientific Calculator/.idea/jarRepositories.xml	
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="BintrayJCenter" />
+      <option name="name" value="BintrayJCenter" />
+      <option name="url" value="https://jcenter.bintray.com/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="Google" />
+      <option name="name" value="Google" />
+      <option name="url" value="https://dl.google.com/dl/android/maven2/" />
+    </remote-repository>
+  </component>
+</project>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_annotation_annotation_1_0_0_jar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_annotation_annotation_1_0_0_jar.xml
new file mode 100644
index 00000000..37407517
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_annotation_annotation_1_0_0_jar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.annotation:annotation:1.0.0@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.annotation/annotation/1.0.0/45599f2cd5965ac05a1488fa2a5c0cdd7c499ead/annotation-1.0.0.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.annotation/annotation/1.0.0/3ad9d83e5da3918fd93775080f401222f2d4d26a/annotation-1.0.0-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.annotation/annotation/1.0.0/c5897dbbda33e66ca6f3224a2534891bbfcbda5a/annotation-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_appcompat_appcompat_1_0_2_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_appcompat_appcompat_1_0_2_aar.xml
new file mode 100644
index 00000000..82d71278
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_appcompat_appcompat_1_0_2_aar.xml	
@@ -0,0 +1,16 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.appcompat:appcompat:1.0.2@aar">
+    <ANNOTATIONS>
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/80fc323ed5ee4075a6aa718a1577dbe2/appcompat-1.0.2/annotations.zip!/" />
+    </ANNOTATIONS>
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/80fc323ed5ee4075a6aa718a1577dbe2/appcompat-1.0.2/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/80fc323ed5ee4075a6aa718a1577dbe2/appcompat-1.0.2/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/80fc323ed5ee4075a6aa718a1577dbe2/appcompat-1.0.2/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.appcompat/appcompat/1.0.2/e38e7c85994112b70d4548176128c72b8477c110/appcompat-1.0.2-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_arch_core_core_common_2_0_0_jar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_arch_core_core_common_2_0_0_jar.xml
new file mode 100644
index 00000000..83e1a45b
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_arch_core_core_common_2_0_0_jar.xml	
@@ -0,0 +1,11 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.arch.core:core-common:2.0.0@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.arch.core/core-common/2.0.0/bb21b9a11761451b51624ac428d1f1bb5deeac38/core-common-2.0.0.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.arch.core/core-common/2.0.0/645b95386a07be66eef0bfe7007535e3f95ec642/core-common-2.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_arch_core_core_runtime_2_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_arch_core_core_runtime_2_0_0_aar.xml
new file mode 100644
index 00000000..66ff10a7
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_arch_core_core_runtime_2_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.arch.core:core-runtime:2.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/642503aa61d971cc72c9ff13677f79ba/core-runtime-2.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/642503aa61d971cc72c9ff13677f79ba/core-runtime-2.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/642503aa61d971cc72c9ff13677f79ba/core-runtime-2.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.arch.core/core-runtime/2.0.0/bc41b287c95bc50a3cd27cb1b7cfb301805ba7f1/core-runtime-2.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_asynclayoutinflater_asynclayoutinflater_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_asynclayoutinflater_asynclayoutinflater_1_0_0_aar.xml
new file mode 100644
index 00000000..8327f97a
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_asynclayoutinflater_asynclayoutinflater_1_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.asynclayoutinflater:asynclayoutinflater:1.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/a35b9d4908c05e05df588b0197489932/asynclayoutinflater-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/a35b9d4908c05e05df588b0197489932/asynclayoutinflater-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/a35b9d4908c05e05df588b0197489932/asynclayoutinflater-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.asynclayoutinflater/asynclayoutinflater/1.0.0/ac4d50701fce5c88dcc514f58e695cd32f05134c/asynclayoutinflater-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_collection_collection_1_0_0_jar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_collection_collection_1_0_0_jar.xml
new file mode 100644
index 00000000..2fee65b9
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_collection_collection_1_0_0_jar.xml	
@@ -0,0 +1,11 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.collection:collection:1.0.0@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.collection/collection/1.0.0/42858b26cafdaa69b6149f45dfc2894007bc2c7a/collection-1.0.0.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.collection/collection/1.0.0/b08973c283f1a0b29fce8b45a1e31e16a36611e9/collection-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_constraintlayout_constraintlayout_1_1_3_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_constraintlayout_constraintlayout_1_1_3_aar.xml
new file mode 100644
index 00000000..8ec1e1a5
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_constraintlayout_constraintlayout_1_1_3_aar.xml	
@@ -0,0 +1,11 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.constraintlayout:constraintlayout:1.1.3@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/be03d30133878d93739df6c47549c987/constraintlayout-1.1.3/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/be03d30133878d93739df6c47549c987/constraintlayout-1.1.3/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/be03d30133878d93739df6c47549c987/constraintlayout-1.1.3/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_constraintlayout_constraintlayout_solver_1_1_3_jar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_constraintlayout_constraintlayout_solver_1_1_3_jar.xml
new file mode 100644
index 00000000..f92fb426
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_constraintlayout_constraintlayout_solver_1_1_3_jar.xml	
@@ -0,0 +1,9 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.constraintlayout:constraintlayout-solver:1.1.3@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.constraintlayout/constraintlayout-solver/1.1.3/54abe9ffb22cc9019b0b6fcc10f185cc4e67b34e/constraintlayout-solver-1.1.3.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_coordinatorlayout_coordinatorlayout_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_coordinatorlayout_coordinatorlayout_1_0_0_aar.xml
new file mode 100644
index 00000000..577b861b
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_coordinatorlayout_coordinatorlayout_1_0_0_aar.xml	
@@ -0,0 +1,16 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.coordinatorlayout:coordinatorlayout:1.0.0@aar">
+    <ANNOTATIONS>
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/9d4fa7945fd04d2221e4498b46d2fe81/coordinatorlayout-1.0.0/annotations.zip!/" />
+    </ANNOTATIONS>
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/9d4fa7945fd04d2221e4498b46d2fe81/coordinatorlayout-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/9d4fa7945fd04d2221e4498b46d2fe81/coordinatorlayout-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/9d4fa7945fd04d2221e4498b46d2fe81/coordinatorlayout-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.coordinatorlayout/coordinatorlayout/1.0.0/4325b3c4422ad58201ed8dc15ae56bda9accedf2/coordinatorlayout-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_core_core_1_0_1_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_core_core_1_0_1_aar.xml
new file mode 100644
index 00000000..00e08b55
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_core_core_1_0_1_aar.xml	
@@ -0,0 +1,16 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.core:core:1.0.1@aar">
+    <ANNOTATIONS>
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/975a81b39677a4ac99be239fea70e767/core-1.0.1/annotations.zip!/" />
+    </ANNOTATIONS>
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/975a81b39677a4ac99be239fea70e767/core-1.0.1/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/975a81b39677a4ac99be239fea70e767/core-1.0.1/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/975a81b39677a4ac99be239fea70e767/core-1.0.1/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.core/core/1.0.1/ae10d2e1965b944830c2c2aaf154765ceb32e0bc/core-1.0.1-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_cursoradapter_cursoradapter_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_cursoradapter_cursoradapter_1_0_0_aar.xml
new file mode 100644
index 00000000..638babdd
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_cursoradapter_cursoradapter_1_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.cursoradapter:cursoradapter:1.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/728ea7dab065bf1d7ca67c1e3a70a43a/cursoradapter-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/728ea7dab065bf1d7ca67c1e3a70a43a/cursoradapter-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/728ea7dab065bf1d7ca67c1e3a70a43a/cursoradapter-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.cursoradapter/cursoradapter/1.0.0/1e323083b41c31fd4d45510dfce50614963c3c6c/cursoradapter-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_customview_customview_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_customview_customview_1_0_0_aar.xml
new file mode 100644
index 00000000..006166ab
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_customview_customview_1_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.customview:customview:1.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/d73517b1dcbe3f784f498b99f2ac7d17/customview-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/d73517b1dcbe3f784f498b99f2ac7d17/customview-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/d73517b1dcbe3f784f498b99f2ac7d17/customview-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.customview/customview/1.0.0/61f6a717d144dff3a6bda413d9abeeb2bca71581/customview-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_documentfile_documentfile_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_documentfile_documentfile_1_0_0_aar.xml
new file mode 100644
index 00000000..4e753b02
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_documentfile_documentfile_1_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.documentfile:documentfile:1.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/af370e8482e99b912df31c26fce88ed8/documentfile-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/af370e8482e99b912df31c26fce88ed8/documentfile-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/af370e8482e99b912df31c26fce88ed8/documentfile-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.documentfile/documentfile/1.0.0/a1bed5cf96db96bd06a2feade98fe55653811dc8/documentfile-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_drawerlayout_drawerlayout_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_drawerlayout_drawerlayout_1_0_0_aar.xml
new file mode 100644
index 00000000..1bcc617d
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_drawerlayout_drawerlayout_1_0_0_aar.xml	
@@ -0,0 +1,16 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.drawerlayout:drawerlayout:1.0.0@aar">
+    <ANNOTATIONS>
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/9977ff4c538b3b48880c6140e5778094/drawerlayout-1.0.0/annotations.zip!/" />
+    </ANNOTATIONS>
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/9977ff4c538b3b48880c6140e5778094/drawerlayout-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/9977ff4c538b3b48880c6140e5778094/drawerlayout-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/9977ff4c538b3b48880c6140e5778094/drawerlayout-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.drawerlayout/drawerlayout/1.0.0/9ecd4ecb7da215ba4c5c3e00bf8d290dad6f2bc5/drawerlayout-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_fragment_fragment_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_fragment_fragment_1_0_0_aar.xml
new file mode 100644
index 00000000..7aa062a1
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_fragment_fragment_1_0_0_aar.xml	
@@ -0,0 +1,16 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.fragment:fragment:1.0.0@aar">
+    <ANNOTATIONS>
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/36fbf492c6d988a3aa1ed99885b0fb48/fragment-1.0.0/annotations.zip!/" />
+    </ANNOTATIONS>
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/36fbf492c6d988a3aa1ed99885b0fb48/fragment-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/36fbf492c6d988a3aa1ed99885b0fb48/fragment-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/36fbf492c6d988a3aa1ed99885b0fb48/fragment-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.fragment/fragment/1.0.0/bcd167792ec03e930d5c8345c99ae07b2627de84/fragment-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_interpolator_interpolator_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_interpolator_interpolator_1_0_0_aar.xml
new file mode 100644
index 00000000..5dde9b16
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_interpolator_interpolator_1_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.interpolator:interpolator:1.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/c405f2b5965755baa9ee29f35d26e7ee/interpolator-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/c405f2b5965755baa9ee29f35d26e7ee/interpolator-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/c405f2b5965755baa9ee29f35d26e7ee/interpolator-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.interpolator/interpolator/1.0.0/fefd5e3cbc479b6b4a9532d05688a1e659e8d3d2/interpolator-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_legacy_legacy_support_core_ui_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_legacy_legacy_support_core_ui_1_0_0_aar.xml
new file mode 100644
index 00000000..079ed97a
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_legacy_legacy_support_core_ui_1_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.legacy:legacy-support-core-ui:1.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/4b6965c7c5531e5a0997e46055b5ea34/legacy-support-core-ui-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/4b6965c7c5531e5a0997e46055b5ea34/legacy-support-core-ui-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/4b6965c7c5531e5a0997e46055b5ea34/legacy-support-core-ui-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.legacy/legacy-support-core-ui/1.0.0/f6044eaebe354c778f1f147ddb9e92a3f1e22fc7/legacy-support-core-ui-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_legacy_legacy_support_core_utils_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_legacy_legacy_support_core_utils_1_0_0_aar.xml
new file mode 100644
index 00000000..9db8a92e
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_legacy_legacy_support_core_utils_1_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.legacy:legacy-support-core-utils:1.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/4847462a1068b4ea3f10161fd30c2d16/legacy-support-core-utils-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/4847462a1068b4ea3f10161fd30c2d16/legacy-support-core-utils-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/4847462a1068b4ea3f10161fd30c2d16/legacy-support-core-utils-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.legacy/legacy-support-core-utils/1.0.0/46c37f178088153618cfb0afef08ec96c48f93cb/legacy-support-core-utils-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_lifecycle_lifecycle_common_2_0_0_jar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_lifecycle_lifecycle_common_2_0_0_jar.xml
new file mode 100644
index 00000000..f2e418b7
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_lifecycle_lifecycle_common_2_0_0_jar.xml	
@@ -0,0 +1,11 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.lifecycle:lifecycle-common:2.0.0@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.lifecycle/lifecycle-common/2.0.0/e070ffae07452331bc5684734fce6831d531785c/lifecycle-common-2.0.0.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.lifecycle/lifecycle-common/2.0.0/cb4562c8927ab69f2a8ef49267b90753207df0c3/lifecycle-common-2.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_lifecycle_lifecycle_livedata_2_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_lifecycle_lifecycle_livedata_2_0_0_aar.xml
new file mode 100644
index 00000000..762b67d9
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_lifecycle_lifecycle_livedata_2_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.lifecycle:lifecycle-livedata:2.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/71aaabbdb76939390465a3680f8c2bc1/lifecycle-livedata-2.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/71aaabbdb76939390465a3680f8c2bc1/lifecycle-livedata-2.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/71aaabbdb76939390465a3680f8c2bc1/lifecycle-livedata-2.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.lifecycle/lifecycle-livedata/2.0.0/740ce61935bd789380c01178bd8ce402402ebd2f/lifecycle-livedata-2.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_lifecycle_lifecycle_livedata_core_2_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_lifecycle_lifecycle_livedata_core_2_0_0_aar.xml
new file mode 100644
index 00000000..a1f79190
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_lifecycle_lifecycle_livedata_core_2_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.lifecycle:lifecycle-livedata-core:2.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/4578eb6ed7a05c242afae54b617aab01/lifecycle-livedata-core-2.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/4578eb6ed7a05c242afae54b617aab01/lifecycle-livedata-core-2.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/4578eb6ed7a05c242afae54b617aab01/lifecycle-livedata-core-2.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.lifecycle/lifecycle-livedata-core/2.0.0/c158207594782b42f3a2e08a5a029eb3319e4404/lifecycle-livedata-core-2.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_lifecycle_lifecycle_runtime_2_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_lifecycle_lifecycle_runtime_2_0_0_aar.xml
new file mode 100644
index 00000000..5344e8be
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_lifecycle_lifecycle_runtime_2_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.lifecycle:lifecycle-runtime:2.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/14b7ed3240d492bf5aab625c724bfe2a/lifecycle-runtime-2.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/14b7ed3240d492bf5aab625c724bfe2a/lifecycle-runtime-2.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/14b7ed3240d492bf5aab625c724bfe2a/lifecycle-runtime-2.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.lifecycle/lifecycle-runtime/2.0.0/94562933879240f04fc2dea3f1841171b164c748/lifecycle-runtime-2.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_lifecycle_lifecycle_viewmodel_2_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_lifecycle_lifecycle_viewmodel_2_0_0_aar.xml
new file mode 100644
index 00000000..58fcb73f
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_lifecycle_lifecycle_viewmodel_2_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.lifecycle:lifecycle-viewmodel:2.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/48015324382b956d5557335fc681751c/lifecycle-viewmodel-2.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/48015324382b956d5557335fc681751c/lifecycle-viewmodel-2.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/48015324382b956d5557335fc681751c/lifecycle-viewmodel-2.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.lifecycle/lifecycle-viewmodel/2.0.0/41b56105d14b1151a963444875cab191271f43db/lifecycle-viewmodel-2.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_loader_loader_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_loader_loader_1_0_0_aar.xml
new file mode 100644
index 00000000..49288832
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_loader_loader_1_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.loader:loader:1.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/7d6b82877e827744156b8975c740bc09/loader-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/7d6b82877e827744156b8975c740bc09/loader-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/7d6b82877e827744156b8975c740bc09/loader-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.loader/loader/1.0.0/b9ef587f3e46c7fe5b00264989764e43ff45cada/loader-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_localbroadcastmanager_localbroadcastmanager_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_localbroadcastmanager_localbroadcastmanager_1_0_0_aar.xml
new file mode 100644
index 00000000..2bd4fa9d
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_localbroadcastmanager_localbroadcastmanager_1_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.localbroadcastmanager:localbroadcastmanager:1.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/2ea4ce48e06305e4f8f49538f4a82da3/localbroadcastmanager-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/2ea4ce48e06305e4f8f49538f4a82da3/localbroadcastmanager-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/2ea4ce48e06305e4f8f49538f4a82da3/localbroadcastmanager-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.localbroadcastmanager/localbroadcastmanager/1.0.0/3930e99159fd6b7f1d2e7d5fe9af0924ca1faf9/localbroadcastmanager-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_print_print_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_print_print_1_0_0_aar.xml
new file mode 100644
index 00000000..44fcb2b3
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_print_print_1_0_0_aar.xml	
@@ -0,0 +1,16 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.print:print:1.0.0@aar">
+    <ANNOTATIONS>
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/3360b6382c7fb5e01bae5eb2ce019e92/print-1.0.0/annotations.zip!/" />
+    </ANNOTATIONS>
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/3360b6382c7fb5e01bae5eb2ce019e92/print-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/3360b6382c7fb5e01bae5eb2ce019e92/print-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/3360b6382c7fb5e01bae5eb2ce019e92/print-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.print/print/1.0.0/71fc2d9acf7cce6b96230c5af263268b1664914a/print-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_slidingpanelayout_slidingpanelayout_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_slidingpanelayout_slidingpanelayout_1_0_0_aar.xml
new file mode 100644
index 00000000..07e05925
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_slidingpanelayout_slidingpanelayout_1_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.slidingpanelayout:slidingpanelayout:1.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/0d94d67d916be1b7bd26e1d393f61bf9/slidingpanelayout-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/0d94d67d916be1b7bd26e1d393f61bf9/slidingpanelayout-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/0d94d67d916be1b7bd26e1d393f61bf9/slidingpanelayout-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.slidingpanelayout/slidingpanelayout/1.0.0/f3f2e4fded24d5969a86e1974ad7e96975d970a0/slidingpanelayout-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_swiperefreshlayout_swiperefreshlayout_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_swiperefreshlayout_swiperefreshlayout_1_0_0_aar.xml
new file mode 100644
index 00000000..6fce4ea9
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_swiperefreshlayout_swiperefreshlayout_1_0_0_aar.xml	
@@ -0,0 +1,16 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.swiperefreshlayout:swiperefreshlayout:1.0.0@aar">
+    <ANNOTATIONS>
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/de943f5441083615b39dbde1744b7b03/swiperefreshlayout-1.0.0/annotations.zip!/" />
+    </ANNOTATIONS>
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/de943f5441083615b39dbde1744b7b03/swiperefreshlayout-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/de943f5441083615b39dbde1744b7b03/swiperefreshlayout-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/de943f5441083615b39dbde1744b7b03/swiperefreshlayout-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.swiperefreshlayout/swiperefreshlayout/1.0.0/ab92d86c004eb1d48e45f311b02ca53d6c86b607/swiperefreshlayout-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_test_espresso_espresso_core_3_1_1_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_test_espresso_espresso_core_3_1_1_aar.xml
new file mode 100644
index 00000000..8aa6df43
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_test_espresso_espresso_core_3_1_1_aar.xml	
@@ -0,0 +1,15 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.test.espresso:espresso-core:3.1.1@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/e342f40e695d51097f3feac23c771139/espresso-core-3.1.1/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/e342f40e695d51097f3feac23c771139/espresso-core-3.1.1/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/e342f40e695d51097f3feac23c771139/espresso-core-3.1.1/res" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.test.espresso/espresso-core/3.1.1/e047f2afab2389e55fa9d9caf76e3e40b1dd6f91/espresso-core-3.1.1-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.test.espresso/espresso-core/3.1.1/6538e21a82306817ad5c51750c76a45f4ed00276/espresso-core-3.1.1-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_test_espresso_espresso_idling_resource_3_1_1_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_test_espresso_espresso_idling_resource_3_1_1_aar.xml
new file mode 100644
index 00000000..911fd4b4
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_test_espresso_espresso_idling_resource_3_1_1_aar.xml	
@@ -0,0 +1,15 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.test.espresso:espresso-idling-resource:3.1.1@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/47eb7090457a8a240db002fc29ca347a/espresso-idling-resource-3.1.1/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/47eb7090457a8a240db002fc29ca347a/espresso-idling-resource-3.1.1/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/47eb7090457a8a240db002fc29ca347a/espresso-idling-resource-3.1.1/res" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.test.espresso/espresso-idling-resource/3.1.1/ac774bb29e6171578dc7508bf390a4a3ccbedfea/espresso-idling-resource-3.1.1-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.test.espresso/espresso-idling-resource/3.1.1/6b93a1dc5092a6ba83bd705e48d62c84547e4479/espresso-idling-resource-3.1.1-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_test_monitor_1_1_1_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_test_monitor_1_1_1_aar.xml
new file mode 100644
index 00000000..25420eb0
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_test_monitor_1_1_1_aar.xml	
@@ -0,0 +1,15 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.test:monitor:1.1.1@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/3434968bfa05d32c23db4c02a8538e1b/monitor-1.1.1/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/3434968bfa05d32c23db4c02a8538e1b/monitor-1.1.1/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/3434968bfa05d32c23db4c02a8538e1b/monitor-1.1.1/res" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.test/monitor/1.1.1/3d1f748b5f88e6fedbc17128a6f1d24af649d64/monitor-1.1.1-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.test/monitor/1.1.1/cf748407ee91614f79b5334d13807aa42a455cac/monitor-1.1.1-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_test_runner_1_1_1_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_test_runner_1_1_1_aar.xml
new file mode 100644
index 00000000..2c7406aa
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_test_runner_1_1_1_aar.xml	
@@ -0,0 +1,15 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.test:runner:1.1.1@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/0767881e497e9a9c14dd038e7027e23c/runner-1.1.1/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/0767881e497e9a9c14dd038e7027e23c/runner-1.1.1/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/0767881e497e9a9c14dd038e7027e23c/runner-1.1.1/res" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.test/runner/1.1.1/8b4ecee1d9f285a07c3a52619268bc2e0723ea0/runner-1.1.1-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.test/runner/1.1.1/e82336ffd82baab0914e82ca0ced012b0da5adeb/runner-1.1.1-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_vectordrawable_vectordrawable_1_0_1_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_vectordrawable_vectordrawable_1_0_1_aar.xml
new file mode 100644
index 00000000..0af2ce86
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_vectordrawable_vectordrawable_1_0_1_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.vectordrawable:vectordrawable:1.0.1@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/1c9748a6e5d596ac763287fddc68c350/vectordrawable-1.0.1/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/1c9748a6e5d596ac763287fddc68c350/vectordrawable-1.0.1/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/1c9748a6e5d596ac763287fddc68c350/vectordrawable-1.0.1/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.vectordrawable/vectordrawable/1.0.1/583e25ffe77f2e89c6f3218a46657a500938b83f/vectordrawable-1.0.1-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_vectordrawable_vectordrawable_animated_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_vectordrawable_vectordrawable_animated_1_0_0_aar.xml
new file mode 100644
index 00000000..57faff75
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_vectordrawable_vectordrawable_animated_1_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.vectordrawable:vectordrawable-animated:1.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/fed749809fcf90ff2df36942e9fd2f07/vectordrawable-animated-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/fed749809fcf90ff2df36942e9fd2f07/vectordrawable-animated-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/fed749809fcf90ff2df36942e9fd2f07/vectordrawable-animated-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.vectordrawable/vectordrawable-animated/1.0.0/24f92bcc89d979cd8b99ae40def4e395850a6466/vectordrawable-animated-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_versionedparcelable_versionedparcelable_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_versionedparcelable_versionedparcelable_1_0_0_aar.xml
new file mode 100644
index 00000000..49812fcf
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_versionedparcelable_versionedparcelable_1_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.versionedparcelable:versionedparcelable:1.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/5482b3b2b283dba00c1e0bea7cb085a3/versionedparcelable-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/5482b3b2b283dba00c1e0bea7cb085a3/versionedparcelable-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/5482b3b2b283dba00c1e0bea7cb085a3/versionedparcelable-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.versionedparcelable/versionedparcelable/1.0.0/df4c3c5d517f6a49017612e6b4dfdd007e7cc9b8/versionedparcelable-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__androidx_viewpager_viewpager_1_0_0_aar.xml b/Scientific Calculator/.idea/libraries/Gradle__androidx_viewpager_viewpager_1_0_0_aar.xml
new file mode 100644
index 00000000..f492243d
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__androidx_viewpager_viewpager_1_0_0_aar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: androidx.viewpager:viewpager:1.0.0@aar">
+    <CLASSES>
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/370a4cbceb38b69f559e67b3eb351ea5/viewpager-1.0.0/AndroidManifest.xml" />
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/370a4cbceb38b69f559e67b3eb351ea5/viewpager-1.0.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/370a4cbceb38b69f559e67b3eb351ea5/viewpager-1.0.0/res" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/androidx.viewpager/viewpager/1.0.0/db045f92188b9d247d5f556866f8861ab68528f0/viewpager-1.0.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__com_google_code_findbugs_jsr305_2_0_1_jar.xml b/Scientific Calculator/.idea/libraries/Gradle__com_google_code_findbugs_jsr305_2_0_1_jar.xml
new file mode 100644
index 00000000..947e2512
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__com_google_code_findbugs_jsr305_2_0_1_jar.xml	
@@ -0,0 +1,9 @@
+<component name="libraryTable">
+  <library name="Gradle: com.google.code.findbugs:jsr305:2.0.1@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.google.code.findbugs/jsr305/2.0.1/516c03b21d50a644d538de0f0369c620989cd8f0/jsr305-2.0.1.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__com_squareup_javawriter_2_1_1_jar.xml b/Scientific Calculator/.idea/libraries/Gradle__com_squareup_javawriter_2_1_1_jar.xml
new file mode 100644
index 00000000..f97c138c
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__com_squareup_javawriter_2_1_1_jar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: com.squareup:javawriter:2.1.1@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.squareup/javawriter/2.1.1/67ff45d9ae02e583d0f9b3432a5ebbe05c30c966/javawriter-2.1.1.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.squareup/javawriter/2.1.1/f591a105db78771d0a1e7a277b3747556c528c22/javawriter-2.1.1-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.squareup/javawriter/2.1.1/5b31387d839a5cdaf5b6de3990da01f7f2b963c5/javawriter-2.1.1-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__javax_inject_javax_inject_1_jar.xml b/Scientific Calculator/.idea/libraries/Gradle__javax_inject_javax_inject_1_jar.xml
new file mode 100644
index 00000000..5ac7d7b4
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__javax_inject_javax_inject_1_jar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: javax.inject:javax.inject:1@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/javax.inject/javax.inject/1/6975da39a7040257bd51d21a231b76c915872d38/javax.inject-1.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/javax.inject/javax.inject/1/70ec961c25111ed9015d1af77772d96383c2d238/javax.inject-1-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/javax.inject/javax.inject/1/a00123f261762a7c5e0ec916a2c7c8298d29c400/javax.inject-1-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__junit_junit_4_12_jar.xml b/Scientific Calculator/.idea/libraries/Gradle__junit_junit_4_12_jar.xml
new file mode 100644
index 00000000..24e5b72d
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__junit_junit_4_12_jar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: junit:junit:4.12@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/junit/junit/4.12/2973d150c0dc1fefe998f834810d68f278ea58ec/junit-4.12.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/junit/junit/4.12/941a8be4506c65f0a9001c08812fb7da1e505e21/junit-4.12-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/junit/junit/4.12/a6c32b40bf3d76eca54e3c601e5d1470c86fcdfa/junit-4.12-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__net_sf_kxml_kxml2_2_3_0_jar.xml b/Scientific Calculator/.idea/libraries/Gradle__net_sf_kxml_kxml2_2_3_0_jar.xml
new file mode 100644
index 00000000..ddd26354
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__net_sf_kxml_kxml2_2_3_0_jar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: net.sf.kxml:kxml2:2.3.0@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/net.sf.kxml/kxml2/2.3.0/ccbc77a5fd907ef863c29f3596c6f54ffa4e9442/kxml2-2.3.0.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/net.sf.kxml/kxml2/2.3.0/dcb10030b92be67fd9dd224ade52310e40bbaf33/kxml2-2.3.0-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/net.sf.kxml/kxml2/2.3.0/309cd2cff7260e465792fda3dcbb063b730d8050/kxml2-2.3.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3_jar.xml b/Scientific Calculator/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3_jar.xml
new file mode 100644
index 00000000..6b1e2e76
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3_jar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: org.hamcrest:hamcrest-core:1.3@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.hamcrest/hamcrest-core/1.3/42a25dc3219429f0e5d060061f71acb49bf010a0/hamcrest-core-1.3.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.hamcrest/hamcrest-core/1.3/ad09811315f1d4f5756986575b0ea16b99cd686f/hamcrest-core-1.3-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.hamcrest/hamcrest-core/1.3/1dc37250fbc78e23a65a67fbbaf71d2e9cbc3c0b/hamcrest-core-1.3-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__org_hamcrest_hamcrest_integration_1_3_jar.xml b/Scientific Calculator/.idea/libraries/Gradle__org_hamcrest_hamcrest_integration_1_3_jar.xml
new file mode 100644
index 00000000..a8015c9b
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__org_hamcrest_hamcrest_integration_1_3_jar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: org.hamcrest:hamcrest-integration:1.3@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.hamcrest/hamcrest-integration/1.3/5de0c73fef18917cd85d0ab70bb23818685e4dfd/hamcrest-integration-1.3.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.hamcrest/hamcrest-integration/1.3/cc5884d4138d3376f574f6a3992acceedfc37bea/hamcrest-integration-1.3-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.hamcrest/hamcrest-integration/1.3/ae7787a563e6a1b1f17fd4ac43be3a3c8830cfda/hamcrest-integration-1.3-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/libraries/Gradle__org_hamcrest_hamcrest_library_1_3_jar.xml b/Scientific Calculator/.idea/libraries/Gradle__org_hamcrest_hamcrest_library_1_3_jar.xml
new file mode 100644
index 00000000..00bb125e
--- /dev/null
+++ b/Scientific Calculator/.idea/libraries/Gradle__org_hamcrest_hamcrest_library_1_3_jar.xml	
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: org.hamcrest:hamcrest-library:1.3@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.hamcrest/hamcrest-library/1.3/4785a3c21320980282f9f33d0d1264a69040538f/hamcrest-library-1.3.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.hamcrest/hamcrest-library/1.3/4324046c5f99f3dc91b5370899fa3ae65fd137d2/hamcrest-library-1.3-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.hamcrest/hamcrest-library/1.3/47a7ee46628ab7133129cd7cef1e92657bc275e/hamcrest-library-1.3-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/markdown-navigator-enh.xml b/Scientific Calculator/.idea/markdown-navigator-enh.xml
new file mode 100644
index 00000000..a8fcc84d
--- /dev/null
+++ b/Scientific Calculator/.idea/markdown-navigator-enh.xml	
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MarkdownEnhProjectSettings">
+    <AnnotatorSettings targetHasSpaces="true" linkCaseMismatch="true" wikiCaseMismatch="true" wikiLinkHasDashes="true" notUnderWikiHome="true" targetNotWikiPageExt="true" notUnderSourceWikiHome="true" targetNameHasAnchor="true" targetPathHasAnchor="true" wikiLinkHasSlash="true" wikiLinkHasSubdir="true" wikiLinkHasOnlyAnchor="true" linkTargetsWikiHasExt="true" linkTargetsWikiHasBadExt="true" notUnderSameRepo="true" targetNotUnderVcs="false" linkNeedsExt="true" linkHasBadExt="true" linkTargetNeedsExt="true" linkTargetHasBadExt="true" wikiLinkNotInWiki="true" imageTargetNotInRaw="true" repoRelativeAcrossVcsRoots="true" multipleWikiTargetsMatch="true" unresolvedLinkReference="true" linkIsIgnored="true" anchorIsIgnored="true" anchorIsUnresolved="true" anchorLineReferenceIsUnresolved="true" anchorLineReferenceFormat="true" anchorHasDuplicates="true" abbreviationDuplicates="true" abbreviationNotUsed="true" attributeIdDuplicateDefinition="true" attributeIdNotUsed="true" footnoteDuplicateDefinition="true" footnoteUnresolved="true" footnoteDuplicates="true" footnoteNotUsed="true" macroDuplicateDefinition="true" macroUnresolved="true" macroDuplicates="true" macroNotUsed="true" referenceDuplicateDefinition="true" referenceUnresolved="true" referenceDuplicates="true" referenceNotUsed="true" referenceUnresolvedNumericId="true" enumRefDuplicateDefinition="true" enumRefUnresolved="true" enumRefDuplicates="true" enumRefNotUsed="true" enumRefLinkUnresolved="true" enumRefLinkDuplicates="true" simTocUpdateNeeded="true" simTocTitleSpaceNeeded="true" />
+    <HtmlExportSettings updateOnSave="false" parentDir="" targetDir="" cssDir="css" scriptDir="js" plainHtml="false" imageDir="" copyLinkedImages="false" imagePathType="0" targetPathType="2" targetExt="" useTargetExt="false" noCssNoScripts="false" useElementStyleAttribute="false" linkToExportedHtml="true" exportOnSettingsChange="true" regenerateOnProjectOpen="false" linkFormatType="HTTP_ABSOLUTE" />
+    <LinkMapSettings>
+      <textMaps />
+    </LinkMapSettings>
+  </component>
+</project>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/markdown-navigator.xml b/Scientific Calculator/.idea/markdown-navigator.xml
new file mode 100644
index 00000000..57b84e5a
--- /dev/null
+++ b/Scientific Calculator/.idea/markdown-navigator.xml	
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MarkdownProjectSettings">
+    <PreviewSettings splitEditorLayout="SPLIT" splitEditorPreview="PREVIEW" useGrayscaleRendering="false" zoomFactor="1.0" maxImageWidth="0" synchronizePreviewPosition="true" highlightPreviewType="LINE" highlightFadeOut="5" highlightOnTyping="true" synchronizeSourcePosition="true" verticallyAlignSourceAndPreviewSyncPosition="true" showSearchHighlightsInPreview="true" showSelectionInPreview="true" lastLayoutSetsDefault="false">
+      <PanelProvider>
+        <provider providerId="com.vladsch.md.nav.editor.swing.html.panel" providerName="Default - Swing" />
+      </PanelProvider>
+    </PreviewSettings>
+    <ParserSettings gitHubSyntaxChange="false" correctedInvalidSettings="false" emojiShortcuts="1" emojiImages="0">
+      <PegdownExtensions>
+        <option name="ATXHEADERSPACE" value="true" />
+        <option name="FENCED_CODE_BLOCKS" value="true" />
+        <option name="INTELLIJ_DUMMY_IDENTIFIER" value="true" />
+        <option name="RELAXEDHRULES" value="true" />
+        <option name="STRIKETHROUGH" value="true" />
+        <option name="TABLES" value="true" />
+        <option name="TASKLISTITEMS" value="true" />
+      </PegdownExtensions>
+      <ParserOptions>
+        <option name="COMMONMARK_LISTS" value="true" />
+        <option name="EMOJI_SHORTCUTS" value="true" />
+        <option name="GFM_TABLE_RENDERING" value="true" />
+        <option name="PRODUCTION_SPEC_PARSER" value="true" />
+        <option name="SIM_TOC_BLANK_LINE_SPACER" value="true" />
+      </ParserOptions>
+    </ParserSettings>
+    <HtmlSettings headerTopEnabled="false" headerBottomEnabled="false" bodyTopEnabled="false" bodyBottomEnabled="false" addPageHeader="false" addAnchorLinks="true" anchorLinksWrapText="false" imageUriSerials="false" addDocTypeHtml="true" noParaTags="false" defaultUrlTitle="false" migratedPlantUml="false" migratedAnchorLinks="false" plantUmlConversion="0">
+      <GeneratorProvider>
+        <provider providerId="com.vladsch.md.nav.editor.text.html.generator" providerName="Unmodified HTML Generator" />
+      </GeneratorProvider>
+      <headerTop />
+      <headerBottom />
+      <bodyTop />
+      <bodyBottom />
+      <fencedCodeConversions />
+    </HtmlSettings>
+    <CssSettings previewScheme="UI_SCHEME" cssUri="" isCssUriEnabled="false" isCssUriSerial="true" isCssTextEnabled="false" isDynamicPageWidth="true">
+      <StylesheetProvider>
+        <provider providerId="com.vladsch.md.nav.editor.text.html.css" providerName="No Stylesheet" />
+      </StylesheetProvider>
+      <ScriptProviders />
+      <cssText />
+      <cssUriHistory />
+    </CssSettings>
+  </component>
+</project>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/misc.xml b/Scientific Calculator/.idea/misc.xml
new file mode 100644
index 00000000..37a75096
--- /dev/null
+++ b/Scientific Calculator/.idea/misc.xml	
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/modules.xml b/Scientific Calculator/.idea/modules.xml
new file mode 100644
index 00000000..f4bde7b7
--- /dev/null
+++ b/Scientific Calculator/.idea/modules.xml	
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/Basic_Calculator.iml" filepath="$PROJECT_DIR$/.idea/modules/Basic_Calculator.iml" group="Basic_Calculator" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/app/app.iml" filepath="$PROJECT_DIR$/.idea/modules/app/app.iml" group="Basic Calculator/app" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/modules/Basic_Calculator.iml b/Scientific Calculator/.idea/modules/Basic_Calculator.iml
new file mode 100644
index 00000000..99fd08b3
--- /dev/null
+++ b/Scientific Calculator/.idea/modules/Basic_Calculator.iml	
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module external.linked.project.id="Basic Calculator" external.linked.project.path="$MODULE_DIR$/../.." external.root.project.path="$MODULE_DIR$/../.." external.system.id="GRADLE" external.system.module.group="" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="java-gradle" name="Java-Gradle">
+      <configuration>
+        <option name="BUILD_FOLDER_PATH" value="$MODULE_DIR$/../../build" />
+        <option name="BUILDABLE" value="false" />
+      </configuration>
+    </facet>
+  </component>
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$/../..">
+      <excludeFolder url="file://$MODULE_DIR$/../../.gradle" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/modules/app/app.iml b/Scientific Calculator/.idea/modules/app/app.iml
new file mode 100644
index 00000000..3bc3f8b0
--- /dev/null
+++ b/Scientific Calculator/.idea/modules/app/app.iml	
@@ -0,0 +1,137 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module external.linked.project.id=":app" external.linked.project.path="$MODULE_DIR$/../../../app" external.root.project.path="$MODULE_DIR$/../../.." external.system.id="GRADLE" external.system.module.group="Basic Calculator" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="android-gradle" name="Android-Gradle">
+      <configuration>
+        <option name="GRADLE_PROJECT_PATH" value=":app" />
+        <option name="LAST_SUCCESSFUL_SYNC_AGP_VERSION" value="3.5.1" />
+        <option name="LAST_KNOWN_AGP_VERSION" value="3.5.1" />
+      </configuration>
+    </facet>
+    <facet type="android" name="Android">
+      <configuration>
+        <option name="SELECTED_BUILD_VARIANT" value="debug" />
+        <option name="ASSEMBLE_TASK_NAME" value="assembleDebug" />
+        <option name="COMPILE_JAVA_TASK_NAME" value="compileDebugSources" />
+        <afterSyncTasks>
+          <task>generateDebugSources</task>
+        </afterSyncTasks>
+        <option name="ALLOW_USER_CONFIGURATION" value="false" />
+        <option name="MANIFEST_FILE_RELATIVE_PATH" value="/src/main/AndroidManifest.xml" />
+        <option name="RES_FOLDER_RELATIVE_PATH" value="/src/main/res" />
+        <option name="RES_FOLDERS_RELATIVE_PATH" value="file://$MODULE_DIR$/../../../app/src/main/res;file://$MODULE_DIR$/../../../app/src/debug/res;file://$MODULE_DIR$/../../../app/build/generated/res/rs/debug;file://$MODULE_DIR$/../../../app/build/generated/res/resValues/debug" />
+        <option name="TEST_RES_FOLDERS_RELATIVE_PATH" value="file://$MODULE_DIR$/../../../app/src/androidTest/res;file://$MODULE_DIR$/../../../app/src/test/res;file://$MODULE_DIR$/../../../app/src/androidTestDebug/res;file://$MODULE_DIR$/../../../app/src/testDebug/res;file://$MODULE_DIR$/../../../app/build/generated/res/rs/androidTest/debug;file://$MODULE_DIR$/../../../app/build/generated/res/resValues/androidTest/debug" />
+        <option name="ASSETS_FOLDER_RELATIVE_PATH" value="/src/main/assets" />
+      </configuration>
+    </facet>
+  </component>
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7">
+    <output url="file://$MODULE_DIR$/../../../app/build/intermediates/javac/debug/classes" />
+    <output-test url="file://$MODULE_DIR$/../../../app/build/intermediates/javac/debugUnitTest/classes" />
+    <exclude-output />
+    <content url="file://$MODULE_DIR$/../../../app">
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/ap_generated_sources/debug/out" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/aidl_source_output_dir/debug/compileDebugAidl/out" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/source/buildConfig/debug" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/renderscript_source_output_dir/debug/compileDebugRenderscript/out" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/res/rs/debug" type="java-resource" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/res/resValues/debug" type="java-resource" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/ap_generated_sources/debugAndroidTest/out" isTestSource="true" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/aidl_source_output_dir/debugAndroidTest/compileDebugAndroidTestAidl/out" isTestSource="true" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/source/buildConfig/androidTest/debug" isTestSource="true" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/renderscript_source_output_dir/debugAndroidTest/compileDebugAndroidTestRenderscript/out" isTestSource="true" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/res/rs/androidTest/debug" type="java-test-resource" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/res/resValues/androidTest/debug" type="java-test-resource" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/build/generated/ap_generated_sources/debugUnitTest/out" isTestSource="true" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/debug/res" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/debug/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/debug/assets" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/debug/aidl" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/debug/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/debug/rs" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/debug/shaders" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/androidTestDebug/res" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/androidTestDebug/resources" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/androidTestDebug/assets" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/androidTestDebug/aidl" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/androidTestDebug/java" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/androidTestDebug/rs" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/androidTestDebug/shaders" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/testDebug/res" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/testDebug/resources" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/testDebug/assets" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/testDebug/aidl" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/testDebug/java" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/testDebug/rs" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/testDebug/shaders" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/main/res" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/main/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/main/assets" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/main/aidl" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/main/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/main/rs" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/main/shaders" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/androidTest/res" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/androidTest/resources" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/androidTest/assets" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/androidTest/aidl" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/androidTest/java" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/androidTest/rs" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/androidTest/shaders" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/test/res" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/test/resources" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/test/assets" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/test/aidl" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/test/java" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/test/rs" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/../../../app/src/test/shaders" isTestSource="true" />
+      <excludeFolder url="file://$MODULE_DIR$/../../../app/build" />
+    </content>
+    <orderEntry type="jdk" jdkName="Android API 29 Platform" jdkType="Android SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" scope="TEST" name="Gradle: junit:junit:4.12@jar" level="project" />
+    <orderEntry type="library" scope="TEST" name="Gradle: org.hamcrest:hamcrest-integration:1.3@jar" level="project" />
+    <orderEntry type="library" scope="TEST" name="Gradle: org.hamcrest:hamcrest-library:1.3@jar" level="project" />
+    <orderEntry type="library" scope="TEST" name="Gradle: org.hamcrest:hamcrest-core:1.3@jar" level="project" />
+    <orderEntry type="library" scope="TEST" name="Gradle: net.sf.kxml:kxml2:2.3.0@jar" level="project" />
+    <orderEntry type="library" scope="TEST" name="Gradle: com.squareup:javawriter:2.1.1@jar" level="project" />
+    <orderEntry type="library" scope="TEST" name="Gradle: javax.inject:javax.inject:1@jar" level="project" />
+    <orderEntry type="library" scope="TEST" name="Gradle: com.google.code.findbugs:jsr305:2.0.1@jar" level="project" />
+    <orderEntry type="library" scope="TEST" name="Gradle: androidx.test.espresso:espresso-core:3.1.1@aar" level="project" />
+    <orderEntry type="library" scope="TEST" name="Gradle: androidx.test:runner:1.1.1@aar" level="project" />
+    <orderEntry type="library" scope="TEST" name="Gradle: androidx.test:monitor:1.1.1@aar" level="project" />
+    <orderEntry type="library" scope="TEST" name="Gradle: androidx.test.espresso:espresso-idling-resource:3.1.1@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.collection:collection:1.0.0@jar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-common:2.0.0@jar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.arch.core:core-common:2.0.0@jar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.annotation:annotation:1.0.0@jar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.constraintlayout:constraintlayout-solver:1.1.3@jar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.appcompat:appcompat:1.0.2@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.fragment:fragment:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.vectordrawable:vectordrawable-animated:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.legacy:legacy-support-core-ui:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.legacy:legacy-support-core-utils:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.vectordrawable:vectordrawable:1.0.1@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.loader:loader:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.viewpager:viewpager:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.coordinatorlayout:coordinatorlayout:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.drawerlayout:drawerlayout:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.slidingpanelayout:slidingpanelayout:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.customview:customview:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.swiperefreshlayout:swiperefreshlayout:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.asynclayoutinflater:asynclayoutinflater:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.core:core:1.0.1@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.versionedparcelable:versionedparcelable:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.cursoradapter:cursoradapter:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-runtime:2.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.documentfile:documentfile:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.localbroadcastmanager:localbroadcastmanager:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.print:print:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-viewmodel:2.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-livedata:2.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-livedata-core:2.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.arch.core:core-runtime:2.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.interpolator:interpolator:1.0.0@aar" level="project" />
+    <orderEntry type="library" name="Gradle: androidx.constraintlayout:constraintlayout:1.1.3@aar" level="project" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/runConfigurations.xml b/Scientific Calculator/.idea/runConfigurations.xml
new file mode 100644
index 00000000..7f68460d
--- /dev/null
+++ b/Scientific Calculator/.idea/runConfigurations.xml	
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/Scientific Calculator/.idea/vcs.xml b/Scientific Calculator/.idea/vcs.xml
new file mode 100644
index 00000000..6c0b8635
--- /dev/null
+++ b/Scientific Calculator/.idea/vcs.xml	
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/Scientific Calculator/app/build/generated/source/buildConfig/debug/com/example/basiccalculator/BuildConfig.java b/Scientific Calculator/app/build/generated/source/buildConfig/debug/com/example/basiccalculator/BuildConfig.java
new file mode 100644
index 00000000..355c3f44
--- /dev/null
+++ b/Scientific Calculator/app/build/generated/source/buildConfig/debug/com/example/basiccalculator/BuildConfig.java	
@@ -0,0 +1,13 @@
+/**
+ * Automatically generated file. DO NOT MODIFY
+ */
+package com.example.basiccalculator;
+
+public final class BuildConfig {
+  public static final boolean DEBUG = Boolean.parseBoolean("true");
+  public static final String APPLICATION_ID = "com.example.basiccalculator";
+  public static final String BUILD_TYPE = "debug";
+  public static final String FLAVOR = "";
+  public static final int VERSION_CODE = 1;
+  public static final String VERSION_NAME = "1.0";
+}
diff --git a/Scientific Calculator/app/src/main/AndroidManifest.xml b/Scientific Calculator/app/src/main/AndroidManifest.xml
index 53ed6e26..a9fa13cd 100644
--- a/Scientific Calculator/app/src/main/AndroidManifest.xml	
+++ b/Scientific Calculator/app/src/main/AndroidManifest.xml	
@@ -9,13 +9,14 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".MainActivity">
+        <activity android:name=".SplashActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity android:name=".MainActivity"/>
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/Scientific Calculator/app/src/main/java/com/example/basiccalculator/SplashActivity.java b/Scientific Calculator/app/src/main/java/com/example/basiccalculator/SplashActivity.java
new file mode 100644
index 00000000..cdc34697
--- /dev/null
+++ b/Scientific Calculator/app/src/main/java/com/example/basiccalculator/SplashActivity.java	
@@ -0,0 +1,34 @@
+package com.example.basiccalculator;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Handler;
+
+public class SplashActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_splash);
+
+
+        new Handler().postDelayed(new Runnable() {
+
+            @Override
+            public void run() {
+                // This method will be executed once the timer is over
+                // Start your app main activity
+                Intent i = new Intent(SplashActivity.this, MainActivity.class);
+                startActivity(i);
+
+                // close this activity
+                finish();
+            }
+        }, 3000);
+
+    }
+
+
+}
\ No newline at end of file
diff --git a/Scientific Calculator/app/src/main/res/layout/activity_main.xml b/Scientific Calculator/app/src/main/res/layout/activity_main.xml
index 3154636e..86b0d3e3 100644
--- a/Scientific Calculator/app/src/main/res/layout/activity_main.xml	
+++ b/Scientific Calculator/app/src/main/res/layout/activity_main.xml	
@@ -7,220 +7,417 @@
     tools:context=".MainActivity">
 
 
-    <Button
-        android:id="@+id/pi"
-        android:layout_width="40dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="146dp"
-        android:layout_marginTop="480dp"
-        android:text="π"
-        android:background="@drawable/button_ops"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:layout_marginBottom="20dp"
+
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent">
+
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:orientation="horizontal">
+
+        <Button
+            android:id="@+id/permutation"
+            android:layout_width="0dp"
+            android:layout_margin="5dp"
+            android:layout_weight="1"
+            android:layout_height="45dp"
+            android:text="nPr"
+            android:background="@drawable/button_ops"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <Button
+            android:id="@+id/combination"
+            android:layout_width="0dp"
+            android:layout_margin="5dp"
+            android:layout_weight="1"
+            android:layout_height="45dp"
+            android:text="ncr"
+            android:background="@drawable/button_ops"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <Button
+            android:id="@+id/power"
+            android:layout_width="0dp"
+            android:layout_margin="5dp"
+            android:layout_weight="1"
+            android:layout_height="45dp"
+            android:text="y^x"
+            android:background="@drawable/button_ops"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <Button
+            android:id="@+id/fact"
+            android:layout_width="0dp"
+            android:layout_margin="5dp"
+            android:layout_weight="1"
+            android:layout_height="45dp"
+            android:text="!"
+            android:background="@drawable/button_ops"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+    </LinearLayout>
+
+
+
+    <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <Button
+                android:id="@+id/button1"
+                android:layout_width="0dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:layout_height="45dp"
+
+                android:background="@drawable/button"
+
+                android:text="1"
+                android:textSize="15sp" />
+
+            <Button
+                android:id="@+id/button2"
+                android:layout_width="0dp"
+                android:layout_height="45dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+
+                android:background="@drawable/button"
+                android:text="2"
+                android:textSize="15sp" />
+
+            <Button
+                android:id="@+id/button3"
+                android:layout_width="0dp"
+                android:layout_height="45dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+
+                android:background="@drawable/button"
+                android:text="3"
+                android:textSize="15sp" />
+
+            <Button
+                android:id="@+id/clean"
+                android:layout_width="0dp"
+                android:layout_height="45dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:background="@drawable/button_ops"
+                android:text="C"
+                android:textSize="20sp" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <Button
+                android:id="@+id/button4"
+                android:layout_width="0dp"
+                android:layout_height="45dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:background="@drawable/button"
+                android:text="4"
+                android:textSize="15sp" />
+
+            <Button
+                android:id="@+id/button5"
+                android:layout_width="0dp"
+                android:layout_height="45dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:background="@drawable/button"
+                android:text="5"
+                android:textSize="15sp" />
+
+            <Button
+                android:id="@+id/button6"
+                android:layout_width="0dp"
+                android:layout_height="45dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:background="@drawable/button"
+                android:text="6"
+                android:textSize="15sp" />
+
+
+            <Button
+                android:id="@+id/back"
+                android:layout_width="0dp"
+                android:layout_height="45dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:background="@drawable/button_ops"
+                android:text="back"
+                android:textSize="11sp" />
+
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+
+            <Button
+                android:id="@+id/button7"
+                android:layout_width="0dp"
+                android:layout_height="45dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:background="@drawable/button"
+                android:text="7"
+                android:textSize="15sp" />
+
+            <Button
+                android:id="@+id/button8"
+                android:layout_width="0dp"
+                android:layout_height="45dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:background="@drawable/button"
+                android:text="8"
+                android:textSize="15sp" />
+
+            <Button
+                android:id="@+id/button9"
+                android:layout_width="0dp"
+                android:layout_height="45dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:background="@drawable/button"
+                android:text="9"
+                android:textSize="15sp" />
+
+
+            <Button
+                android:id="@+id/sin"
+                android:layout_width="0dp"
+                android:layout_height="45dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:background="@drawable/button_ops"
+                android:text="sin" />
+
+        </LinearLayout>
+
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+
+            <Button
+                android:id="@+id/dec"
+                android:layout_width="0dp"
+                android:layout_height="45dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:background="@drawable/button_ops"
+                android:text="."
+                android:textSize="14sp" />
+
+
+            <Button
+                android:id="@+id/button0"
+                android:layout_width="0dp"
+                android:layout_height="45dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:background="@drawable/button"
+                android:text="0"
+                android:textSize="15sp" />
+
+
+            <Button
+                android:id="@+id/mult"
+                android:layout_width="0dp"
+                android:layout_height="45dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:background="@drawable/button_ops"
+                android:text="x"
+                android:textSize="20sp" />
+
+            <Button
+                android:id="@+id/cos"
+                android:layout_width="0dp"
+                android:layout_height="45dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:background="@drawable/button_ops"
+                android:text="cos" />
+
+        </LinearLayout>
+
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <Button
+                android:id="@+id/div"
+                android:layout_width="0dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:layout_height="45dp"
+                android:background="@drawable/button_ops"
+                android:text="/"
+                android:textSize="25sp"
+                />
+
+
+            <Button
+                android:id="@+id/add"
+                android:layout_width="0dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:layout_height="45dp"
+                android:background="@drawable/button_ops"
+                android:text="+"
+                android:textSize="25sp"
+               />
+
+            <Button
+                android:id="@+id/minus"
+                android:layout_width="0dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:layout_height="45dp"
+                android:text="-"
+                android:textSize="25sp"
+                android:background="@drawable/button_ops"
+               />
+
+            <Button
+                android:id="@+id/tan"
+                android:layout_width="0dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:layout_height="45dp"
+                android:background="@drawable/button_ops"
+                android:text="tan"
+              />
+
+        </LinearLayout>
+
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+
+            <Button
+                android:id="@+id/ln"
+                android:layout_width="0dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:layout_height="45dp"
+                android:text="ln"
+                android:background="@drawable/button_ops"
+             />
+
+            <LinearLayout
+                android:layout_width="0dp"
+                android:layout_weight="1"
+                android:layout_height="45dp"
+                android:orientation="horizontal">
+
+            <Button
+                android:id="@+id/exp"
+                android:layout_height="45dp"
+                android:text="e"
+                android:layout_margin="5dp"
+
+                android:background="@drawable/button_ops"
+                android:layout_width="0dp"
+                android:layout_weight="1"/>
+
+            <Button
+                android:id="@+id/pi"
+                android:layout_height="45dp"
+                android:text="π"
+                android:layout_margin="5dp"
+
+                android:layout_weight="1"
+                android:background="@drawable/button_ops"
+                android:layout_width="0dp" />
+
+            </LinearLayout>
+
+            <Button
+                android:id="@+id/log"
+                android:layout_width="0dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:layout_height="45dp"
+                android:text="log"
+                android:background="@drawable/button_ops"
+                 />
+
+            <Button
+                android:id="@+id/equal"
+                android:layout_width="0dp"
+                android:layout_margin="5dp"
+                android:layout_weight="1"
+                android:layout_height="45dp"
+                android:text="="
+                android:textSize="25sp"
+                android:background="@drawable/button_ops"
+                 />
+
+        </LinearLayout>
+
+
+    </LinearLayout>
+
+
+
+
+
 
-    <Button
-        android:id="@+id/button0"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="108dp"
-        android:layout_marginTop="376dp"
-        android:text="0"
-        android:background="@drawable/button"
-        android:textSize="15sp"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/button1"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="24dp"
-        android:layout_marginTop="215dp"
-        android:text="1"
-        android:background="@drawable/button"
-        android:textSize="15sp"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/button2"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="108dp"
-        android:layout_marginTop="215dp"
-        android:text="2"
-        android:background="@drawable/button"
-        android:textSize="15sp"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/button3"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="192dp"
-        android:layout_marginTop="215dp"
-        android:text="3"
-        android:background="@drawable/button"
-        android:textSize="15sp"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/button4"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="24dp"
-        android:layout_marginTop="270dp"
-        android:text="4"
-        android:background="@drawable/button"
-        android:textSize="15sp"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/button5"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="108dp"
-        android:layout_marginTop="270dp"
-        android:text="5"
-        android:background="@drawable/button"
-        android:textSize="15sp"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/button6"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="192dp"
-        android:layout_marginTop="270dp"
-        android:text="6"
-        android:background="@drawable/button"
-        android:textSize="15sp"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/button7"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="24dp"
-        android:layout_marginTop="322dp"
-        android:text="7"
-        android:background="@drawable/button"
-        android:textSize="15sp"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/button8"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="108dp"
-        android:layout_marginTop="322dp"
-        android:text="8"
-        android:background="@drawable/button"
-        android:textSize="15sp"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/button9"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="192dp"
-        android:layout_marginTop="322dp"
-        android:text="9"
-        android:background="@drawable/button"
-        android:textSize="15sp"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/equal"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="276dp"
-        android:layout_marginTop="480dp"
-        android:text="="
-        android:textSize="25sp"
-        android:background="@drawable/button_ops"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/add"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="108dp"
-        android:layout_marginTop="430dp"
-        android:background="@drawable/button_ops"
-        android:text="+"
-        android:textSize="25sp"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/minus"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="192dp"
-        android:layout_marginTop="430dp"
-        android:text="-"
-        android:textSize="25sp"
-        android:background="@drawable/button_ops"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/div"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="24dp"
-        android:layout_marginTop="430dp"
-        android:background="@drawable/button_ops"
-        android:text="/"
-        android:textSize="25sp"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/mult"
-        android:background="@drawable/button_ops"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="192dp"
-        android:layout_marginTop="376dp"
-        android:text="x"
-        android:textSize="20sp"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/clean"
-        android:layout_width="75dp"
-        android:background="@drawable/button_ops"
-        android:layout_height="45dp"
-        android:layout_marginStart="276dp"
-        android:layout_marginTop="215dp"
-        android:text="C"
-        android:textSize="20sp"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/back"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="276dp"
-        android:layout_marginTop="270dp"
-        android:text="back"
-        android:background="@drawable/button_ops"
-        android:textSize="11sp"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
     <TextView
         android:id="@+id/textView1"
@@ -277,127 +474,21 @@
         app:layout_constraintStart_toStartOf="@+id/textView"
         app:layout_constraintTop_toTopOf="@+id/textView1" />
 
-    <Button
-        android:id="@+id/log"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="192dp"
-        android:layout_marginTop="480dp"
-        android:text="log"
-        android:background="@drawable/button_ops"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/sin"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="276dp"
-        android:layout_marginTop="322dp"
-        android:text="sin"
-        android:background="@drawable/button_ops"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/tan"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="276dp"
-        android:layout_marginTop="430dp"
-        android:background="@drawable/button_ops"
-        android:text="tan"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/ln"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="24dp"
-        android:layout_marginTop="480dp"
-        android:text="ln"
-        android:background="@drawable/button_ops"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/exp"
-        android:layout_width="40dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="106dp"
-        android:layout_marginTop="480dp"
-        android:text="e"
-        android:background="@drawable/button_ops"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/dec"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="24dp"
-        android:layout_marginTop="376dp"
-        android:text="."
-        android:background="@drawable/button_ops"
-        android:textSize="14sp"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/cos"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="276dp"
-        android:layout_marginTop="376dp"
-        android:text="cos"
-        android:background="@drawable/button_ops"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/permutation"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="24dp"
-        android:layout_marginTop="160dp"
-        android:text="nPr"
-        android:background="@drawable/button_ops"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/combination"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="108dp"
-        android:layout_marginTop="160dp"
-        android:text="ncr"
-        android:background="@drawable/button_ops"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/power"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="192dp"
-        android:layout_marginTop="160dp"
-        android:text="y^x"
-        android:background="@drawable/button_ops"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/fact"
-        android:layout_width="75dp"
-        android:layout_height="45dp"
-        android:layout_marginStart="276dp"
-        android:layout_marginTop="160dp"
-        android:text="!"
-        android:background="@drawable/button_ops"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+
+
+
+
+
 
 
 </androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/Scientific Calculator/app/src/main/res/layout/activity_splash.xml b/Scientific Calculator/app/src/main/res/layout/activity_splash.xml
new file mode 100644
index 00000000..da3520c3
--- /dev/null
+++ b/Scientific Calculator/app/src/main/res/layout/activity_splash.xml	
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:gravity="center"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    tools:context=".SplashActivity">
+
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Scientific"
+        android:textSize="24sp"
+        android:textColor="@color/colorPrimary"
+        android:textStyle="bold"
+        android:layout_marginBottom="10px"
+        tools:layout_editor_absoluteX="173dp"
+        tools:layout_editor_absoluteY="347dp" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Calculator"
+        android:textColor="#785DD3"
+
+        android:textSize="20sp"
+        android:textStyle="bold"
+        tools:layout_editor_absoluteX="173dp"
+        tools:layout_editor_absoluteY="347dp" />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/Scientific Calculator/app/src/main/res/values/styles.xml b/Scientific Calculator/app/src/main/res/values/styles.xml
index 6f19b475..d39d37b5 100644
--- a/Scientific Calculator/app/src/main/res/values/styles.xml	
+++ b/Scientific Calculator/app/src/main/res/values/styles.xml	
@@ -1,7 +1,7 @@
 <resources>
 
     <!-- Base application theme. -->
-    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
         <!-- Customize your theme here. -->
         <item name="colorPrimary">@color/colorPrimary</item>
         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
diff --git a/Scientific Calculator/gradle/wrapper/gradle-wrapper.jar b/Scientific Calculator/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 00000000..f6b961fd
Binary files /dev/null and b/Scientific Calculator/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/Scientific Calculator/gradle/wrapper/gradle-wrapper.properties b/Scientific Calculator/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 00000000..1977c0db
--- /dev/null
+++ b/Scientific Calculator/gradle/wrapper/gradle-wrapper.properties	
@@ -0,0 +1,6 @@
+#Thu Oct 29 15:55:57 IST 2020
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
diff --git a/Scientific Calculator/gradlew b/Scientific Calculator/gradlew
index 518efffc..cccdd3d5 100644
--- a/Scientific Calculator/gradlew	
+++ b/Scientific Calculator/gradlew	
@@ -1,172 +1,172 @@
-#!/usr/bin/env sh
-
-##############################################################################
-##
-##  Gradle start up script for UN*X
-##
-##############################################################################
-
-# Attempt to set APP_HOME
-# Resolve links: $0 may be a link
-PRG="$0"
-# Need this for relative symlinks.
-while [ -h "$PRG" ] ; do
-    ls=`ls -ld "$PRG"`
-    link=`expr "$ls" : '.*-> \(.*\)$'`
-    if expr "$link" : '/.*' > /dev/null; then
-        PRG="$link"
-    else
-        PRG=`dirname "$PRG"`"/$link"
-    fi
-done
-SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >/dev/null
-APP_HOME="`pwd -P`"
-cd "$SAVED" >/dev/null
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn () {
-    echo "$*"
-}
-
-die () {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-nonstop=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-  NONSTOP* )
-    nonstop=true
-    ;;
-esac
-
-CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
-
-# Determine the Java command to use to start the JVM.
-if [ -n "$JAVA_HOME" ] ; then
-    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
-        # IBM's JDK on AIX uses strange locations for the executables
-        JAVACMD="$JAVA_HOME/jre/sh/java"
-    else
-        JAVACMD="$JAVA_HOME/bin/java"
-    fi
-    if [ ! -x "$JAVACMD" ] ; then
-        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
-
-Please set the JAVA_HOME variable in your environment to match the
-location of your Java installation."
-    fi
-else
-    JAVACMD="java"
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-
-Please set the JAVA_HOME variable in your environment to match the
-location of your Java installation."
-fi
-
-# Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
-    MAX_FD_LIMIT=`ulimit -H -n`
-    if [ $? -eq 0 ] ; then
-        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
-            MAX_FD="$MAX_FD_LIMIT"
-        fi
-        ulimit -n $MAX_FD
-        if [ $? -ne 0 ] ; then
-            warn "Could not set maximum file descriptor limit: $MAX_FD"
-        fi
-    else
-        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
-    fi
-fi
-
-# For Darwin, add options to specify how the application appears in the dock
-if $darwin; then
-    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
-fi
-
-# For Cygwin, switch paths to Windows format before running java
-if $cygwin ; then
-    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
-    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
-    JAVACMD=`cygpath --unix "$JAVACMD"`
-
-    # We build the pattern for arguments to be converted via cygpath
-    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
-    SEP=""
-    for dir in $ROOTDIRSRAW ; do
-        ROOTDIRS="$ROOTDIRS$SEP$dir"
-        SEP="|"
-    done
-    OURCYGPATTERN="(^($ROOTDIRS))"
-    # Add a user-defined pattern to the cygpath arguments
-    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
-        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
-    fi
-    # Now convert the arguments - kludge to limit ourselves to /bin/sh
-    i=0
-    for arg in "$@" ; do
-        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
-        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
-
-        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
-            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
-        else
-            eval `echo args$i`="\"$arg\""
-        fi
-        i=$((i+1))
-    done
-    case $i in
-        (0) set -- ;;
-        (1) set -- "$args0" ;;
-        (2) set -- "$args0" "$args1" ;;
-        (3) set -- "$args0" "$args1" "$args2" ;;
-        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
-        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
-        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
-        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
-        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
-        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
-    esac
-fi
-
-# Escape application args
-save () {
-    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
-    echo " "
-}
-APP_ARGS=$(save "$@")
-
-# Collect all arguments for the java command, following the shell quoting and substitution rules
-eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
-
-# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
-if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
-  cd "$(dirname "$0")"
-fi
-
-exec "$JAVACMD" "$@"
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/Scientific Calculator/local.properties b/Scientific Calculator/local.properties
index 04cff4a4..2cbb5686 100644
--- a/Scientific Calculator/local.properties	
+++ b/Scientific Calculator/local.properties	
@@ -4,5 +4,5 @@
 # Location of the SDK. This is only used by Gradle.
 # For customization when using a Version Control System, please read the
 # header note.
-#Mon Oct 12 13:35:55 IST 2020
-sdk.dir=C\:\\Users\\NICHIKET PATIL\\AppData\\Local\\Android\\Sdk
+#Thu Oct 29 15:55:49 IST 2020
+sdk.dir=I\:\\Program Files\\AndroidStudioSDK