diff --git a/math/mathmod/Portfile b/math/mathmod/Portfile
new file mode 100644
index 0000000000000..89bf468c7189b
--- /dev/null
+++ b/math/mathmod/Portfile
@@ -0,0 +1,66 @@
+# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
+
+PortSystem          1.0
+PortGroup           github 1.0
+
+name                mathmod
+
+categories          math graphics
+license             GPL-2
+maintainers         {@barracuda156 gmail.com:vital.had} openmaintainer
+homepage            https://www.facebook.com/parisolab
+
+description         Mathematical modelling software
+long_description    ${name} is a mathematical modelling software that \
+                    visualizes and animates implicit and parametric surfaces.
+
+if {${os.platform} ne "darwin" || ${os.major} > 11} {
+    PortGroup       qmake5 1.0
+
+    github.setup    parisolab mathmod 11.1
+    revision        0
+    checksums       rmd160  48a59ed6858a3c1543458be6ce4411746c5b0890 \
+                    sha256  b9d4c550d09a8ad307df90ffbb6f89e81846c5ea93d3f3e2616207a76227421a \
+                    size    7934535
+
+    compiler.cxx_standard \
+                    2011
+} else {
+    # See: https://github.com/parisolab/mathmod/issues/243
+    PortGroup       qmake 1.0
+
+    github.setup    parisolab mathmod 7.0
+    revision        0
+    checksums       rmd160  3cd5480896ae051b7e6ff489419611aaf35e8b89 \
+                    sha256  5ae4d2536f1e1a2883c83b8aa2d77ab54795968aa0635133ba58ff916e7a8622 \
+                    size    947569
+
+    depends_lib-append \
+                    port:qjson4
+
+    patchfiles-append \
+                    patch-jiso.h.diff \
+                    patch-jpar.h.diff \
+                    patch-parametersoptions.h.diff \
+                    patch-ParisoMathObject.h.diff \
+                    patch-drawingoptions.cpp.diff \
+                    patch-parametersoptions.cpp.diff \
+                    patch-ParisoMathObject.cpp.diff \
+                    patch-drawingoptions.ui.diff \
+                    patch-commun.cpp.diff \
+                    patch-mathmodconfig.js.diff
+
+    # Q_DECL_OVERRIDE is intended to be this way:
+    configure.cppflags-append \
+                    -I${prefix}/include/QJson4 \
+                    -DQ_DECL_OVERRIDE=
+
+    configure.ldflags-append \
+                    -lQJson4
+}
+
+github.tarball_from archive
+
+destroot {
+    copy ${worksrcpath}/MathMod.app ${destroot}${applications_dir}/
+}
diff --git a/math/mathmod/files/patch-ParisoMathObject.cpp.diff b/math/mathmod/files/patch-ParisoMathObject.cpp.diff
new file mode 100644
index 0000000000000..7e05a258c0aae
--- /dev/null
+++ b/math/mathmod/files/patch-ParisoMathObject.cpp.diff
@@ -0,0 +1,11 @@
+--- ui_modules/ParisoMathObject.cpp.orig	2018-12-19 02:50:32.000000000 +0800
++++ ui_modules/ParisoMathObject.cpp	2024-07-03 05:23:14.000000000 +0800
+@@ -19,7 +19,7 @@
+  ***************************************************************************/
+ #include "ParisoMathObject.h"
+ #include <qmessagebox.h>
+-
++#include <QJsonParseError.h>
+ 
+ //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
+ ParisoMathObject::ParisoMathObject()
diff --git a/math/mathmod/files/patch-ParisoMathObject.h.diff b/math/mathmod/files/patch-ParisoMathObject.h.diff
new file mode 100644
index 0000000000000..61c80126b7d25
--- /dev/null
+++ b/math/mathmod/files/patch-ParisoMathObject.h.diff
@@ -0,0 +1,15 @@
+--- ui_modules/ParisoMathObject.h.orig	2018-12-19 02:50:32.000000000 +0800
++++ ui_modules/ParisoMathObject.h	2024-07-03 05:06:52.000000000 +0800
+@@ -22,9 +22,9 @@
+ #include <qfile.h>
+ #include <QTextStream>
+ #include <QStringList>
+-#include <QJsonObject>
+-#include <QJsonDocument>
+-#include <QJsonArray>
++#include <QJsonObject.h>
++#include <QJsonDocument.h>
++#include <QJsonArray.h>
+ #include <QFileDialog>
+ #include <QDialog>
+ #include <QTranslator>
diff --git a/math/mathmod/files/patch-commun.cpp.diff b/math/mathmod/files/patch-commun.cpp.diff
new file mode 100644
index 0000000000000..742f7d8bafff3
--- /dev/null
+++ b/math/mathmod/files/patch-commun.cpp.diff
@@ -0,0 +1,28 @@
+--- pariso/commun.cpp.orig	2018-04-02 13:49:18.000000000 +0800
++++ pariso/commun.cpp	2024-07-03 10:52:59.000000000 +0800
+@@ -66,13 +66,13 @@
+                 for (uint l = 0; l < numberFeaturePoints; ++l)
+                 {
+                     lastRandom = lcgRandom(lastRandom);
+-                    randomDiff[0] = (float)lastRandom / 0x100000000;
++                    randomDiff[0] = (float)lastRandom / 0x100000000ll;
+ 
+                     lastRandom = lcgRandom(lastRandom);
+-                    randomDiff[1] = (float)lastRandom / 0x100000000;
++                    randomDiff[1] = (float)lastRandom / 0x100000000ll;
+ 
+                     lastRandom = lcgRandom(lastRandom);
+-                    randomDiff[2] = (float)lastRandom / 0x100000000;
++                    randomDiff[2] = (float)lastRandom / 0x100000000ll;
+ 
+                     featurePoint[0] = randomDiff[0] + (float)cubeX;
+                     featurePoint[1] = randomDiff[1] + (float)cubeY;
+@@ -151,7 +151,7 @@
+ 
+ int CellNoise::lcgRandom(int lastValue)
+ {
+-    return (int)((1103515245u * lastValue + 12345u) % 0x100000000u);
++    return (int)((1103515245u * lastValue + 12345u) % 0x100000000ull);
+ }
+ 
+ int CellNoise::hash(int i, int j, int k)
diff --git a/math/mathmod/files/patch-drawingoptions.cpp.diff b/math/mathmod/files/patch-drawingoptions.cpp.diff
new file mode 100644
index 0000000000000..04ea576fdc61e
--- /dev/null
+++ b/math/mathmod/files/patch-drawingoptions.cpp.diff
@@ -0,0 +1,10 @@
+--- ui_modules/drawingoptions.cpp.orig	2018-12-19 02:50:32.000000000 +0800
++++ ui_modules/drawingoptions.cpp	2024-07-03 05:23:01.000000000 +0800
+@@ -20,6 +20,7 @@
+ 
+ #include "drawingoptions.h"
+ #include <qmessagebox.h>
++#include <QJsonParseError.h>
+ 
+ static int indexcurrentFormula=-1;
+ static int indexcurrentSet=0;
diff --git a/math/mathmod/files/patch-drawingoptions.ui.diff b/math/mathmod/files/patch-drawingoptions.ui.diff
new file mode 100644
index 0000000000000..890934ce5474e
--- /dev/null
+++ b/math/mathmod/files/patch-drawingoptions.ui.diff
@@ -0,0 +1,32 @@
+--- ui_forms/drawingoptions.ui.orig	2018-12-19 02:50:32.000000000 +0800
++++ ui_forms/drawingoptions.ui	2024-07-03 11:39:23.000000000 +0800
+@@ -606,9 +606,6 @@
+           <property name="movable">
+            <bool>true</bool>
+           </property>
+-          <property name="tabBarAutoHide">
+-           <bool>true</bool>
+-          </property>
+           <widget class="QWidget" name="tab">
+            <attribute name="title">
+             <string>Model details</string>
+@@ -6088,9 +6085,6 @@
+                  <property name="layoutDirection">
+                   <enum>Qt::LeftToRight</enum>
+                  </property>
+-                 <property name="currentText">
+-                  <string>Predefined Sets</string>
+-                 </property>
+                  <item>
+                   <property name="text">
+                    <string>Predefined Sets</string>
+@@ -6219,9 +6213,6 @@
+                  <property name="layoutDirection">
+                   <enum>Qt::LeftToRight</enum>
+                  </property>
+-                 <property name="currentText">
+-                  <string>Parameters List</string>
+-                 </property>
+                  <item>
+                   <property name="text">
+                    <string>Parameters List</string>
diff --git a/math/mathmod/files/patch-jiso.h.diff b/math/mathmod/files/patch-jiso.h.diff
new file mode 100644
index 0000000000000..35b7fbdd7e0e4
--- /dev/null
+++ b/math/mathmod/files/patch-jiso.h.diff
@@ -0,0 +1,13 @@
+--- json_parser/jiso.h.orig	2018-12-19 02:50:32.000000000 +0800
++++ json_parser/jiso.h	2024-07-03 05:06:09.000000000 +0800
+@@ -25,8 +25,8 @@
+ #include <string>
+ #include <iostream>
+ #include <QStringList>
+-#include <QJsonArray>
+-#include <QJsonObject>
++#include <QJsonArray.h>
++#include <QJsonObject.h>
+ 
+ class jiso
+ {
diff --git a/math/mathmod/files/patch-jpar.h.diff b/math/mathmod/files/patch-jpar.h.diff
new file mode 100644
index 0000000000000..8962a677d6b71
--- /dev/null
+++ b/math/mathmod/files/patch-jpar.h.diff
@@ -0,0 +1,13 @@
+--- json_parser/jpar.h.orig	2018-12-19 02:50:32.000000000 +0800
++++ json_parser/jpar.h	2024-07-03 05:06:23.000000000 +0800
+@@ -25,8 +25,8 @@
+ #include <string>
+ #include <iostream>
+ #include <QStringList>
+-#include <QJsonArray>
+-#include <QJsonObject>
++#include <QJsonArray.h>
++#include <QJsonObject.h>
+ #include <qthread.h>
+ 
+ class jpar
diff --git a/math/mathmod/files/patch-mathmodconfig.js.diff b/math/mathmod/files/patch-mathmodconfig.js.diff
new file mode 100644
index 0000000000000..2c645d0c99035
--- /dev/null
+++ b/math/mathmod/files/patch-mathmodconfig.js.diff
@@ -0,0 +1,14 @@
+--- mathmodconfig.js.orig	2018-04-02 13:49:18.000000000 +0800
++++ mathmodconfig.js	2024-07-03 12:11:37.000000000 +0800
+@@ -1,8 +1,8 @@
+ {
+     "IsoParam": {
+-        "MaxGrid": 250,
+-        "MaxPt": 4,
+-        "MaxTri": 6,
++        "MaxGrid": 200,
++        "MaxPt": 1,
++        "MaxTri": 2,
+         "NbComponent": 200,
+         "NbVariables": 30,
+         "NbConstantes": 40,
diff --git a/math/mathmod/files/patch-parametersoptions.cpp.diff b/math/mathmod/files/patch-parametersoptions.cpp.diff
new file mode 100644
index 0000000000000..d1a9d26dc3abe
--- /dev/null
+++ b/math/mathmod/files/patch-parametersoptions.cpp.diff
@@ -0,0 +1,69 @@
+--- ui_modules/parametersoptions.cpp.orig	2018-12-19 02:50:32.000000000 +0800
++++ ui_modules/parametersoptions.cpp	2024-07-03 11:51:07.000000000 +0800
+@@ -20,6 +20,8 @@
+ #include <QtGui>
+ #include <math.h>
+ #include "parametersoptions.h"
++#include <QJsonParseError.h>
++#include <QJsonDocument.h>
+ 
+ bool MACOS = false;
+ 
+@@ -108,7 +110,7 @@
+     }
+ 
+     QFile file(JsonFile);
+-    //QFileDevice::Permissions p = file.permissions();
++    //QFile::Permissions p = file.permissions();
+     if (file.open( QIODevice::ReadOnly | QIODevice::Text ) )
+     {
+         QJsonDocument doc = QJsonDocument::fromJson(((file.readAll()).trimmed()).replace("\n","").replace("\t","").replace("DOTSYMBOL",dotsymbol.toStdString().c_str()),&err);
+@@ -157,7 +159,7 @@
+     {
+         QFile file2(":/mathmodcollection_empty.js");
+         file2.copy(JsonFileName);
+-        QFile::setPermissions(JsonFileName, QFileDevice::ReadOwner| QFileDevice::WriteOwner);
++        QFile::setPermissions(JsonFileName, QFile::ReadOwner| QFile::WriteOwner);
+     }
+ 
+     QFile file(JsonFileName);
+@@ -217,10 +219,10 @@
+     ui.maxpt->setValue(mg);
+     //Styles:
+     QString Style = ((JConfig["Styles"].toObject())["UsedStyle"].toString());
+-    ui.comboBox_2->setCurrentText(Style);
++    ui.comboBox_2->setItemText(0, Style);
+     //Theme:
+     QString theme = ((JConfig["Themes"].toObject())["UsedTheme"].toString());
+-    ui.comboBox_3->setCurrentText(theme);
++    ui.comboBox_3->setItemText(0, theme);
+     if(theme == "MyTheme")
+         ui.groupBox->show();
+     else
+@@ -424,7 +426,7 @@
+     {
+         QFile file3(":/mathmodconfig.js");
+         file3.copy(fileconfig);
+-        QFile::setPermissions(fileconfig, QFileDevice::ReadOwner | QFileDevice::WriteOwner);
++        QFile::setPermissions(fileconfig, QFile::ReadOwner | QFile::WriteOwner);
+     }
+ 
+     QFile fconf(fileconfig);
+@@ -591,7 +593,7 @@
+         out << str << endl;
+         file.close();
+         file.copy(advancedmodels);
+-        QFile::setPermissions(advancedmodels, QFileDevice::ReadOwner | QFileDevice::WriteOwner);
++        QFile::setPermissions(advancedmodels, QFile::ReadOwner | QFile::WriteOwner);
+     }
+ 
+     QFile mathmodfile(filecollection);
+@@ -614,7 +616,7 @@
+         out << str << endl;
+         file.close();
+         file.copy(filecollection);
+-        QFile::setPermissions(filecollection, QFileDevice::ReadOwner | QFileDevice::WriteOwner);
++        QFile::setPermissions(filecollection, QFile::ReadOwner | QFile::WriteOwner);
+     }
+ }
+ void Parametersoptions::on_save_clicked()
diff --git a/math/mathmod/files/patch-parametersoptions.h.diff b/math/mathmod/files/patch-parametersoptions.h.diff
new file mode 100644
index 0000000000000..d80ecf24d4c07
--- /dev/null
+++ b/math/mathmod/files/patch-parametersoptions.h.diff
@@ -0,0 +1,11 @@
+--- ui_modules/parametersoptions.h.orig	2018-12-19 02:50:32.000000000 +0800
++++ ui_modules/parametersoptions.h	2024-07-03 05:06:38.000000000 +0800
+@@ -25,7 +25,7 @@
+ #include "../json_parser/parisodef.h"
+ #include <QFileDialog>
+ #include <QMessageBox>
+-#include <QJsonObject>
++#include <QJsonObject.h>
+ #include <QStyleFactory>
+ 
+ struct ListeModelTexture