diff --git a/README.md b/README.md
index 5386ea9..7d17fd9 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # <img src="/SignalAnalysis/images/logo@24.png?raw=true" height="24" width="24"> Signal analysis
-Signal analysis tool: FFT (fast Fourier transform), fractal dimension, and entropy in .NET 7.
+Signal analysis tool: FFT (fast Fourier transform), fractal dimension, entropy, and numerical differentiation and integration in .NET 7.
 
 Copyright © 2021-2023 by Arthurits Ltd. No commercial nor profit use allowed. This software is provided only for personal and not-for-profit use.
 
diff --git a/SignalAnalysis/SignalAnalysis.csproj b/SignalAnalysis/SignalAnalysis.csproj
index 3dd63d3..23ff8ab 100644
--- a/SignalAnalysis/SignalAnalysis.csproj
+++ b/SignalAnalysis/SignalAnalysis.csproj
@@ -7,7 +7,7 @@
     <UseWindowsForms>true</UseWindowsForms>
     <ImplicitUsings>enable</ImplicitUsings>
     <ApplicationIcon>images\logo.ico</ApplicationIcon>
-    <Version>$(VersionPrefix)1.3</Version>
+    <Version>$(VersionPrefix)1.4</Version>
     <Authors>Arthurits</Authors>
     <Company>Arthurits Ltd.</Company>
     <Copyright>© 2021-2023</Copyright>