Programmer Patrik Lundin .NET, Java, JavaScript, Math expression parser

This package for Java contains a math expression parser and a class that can symbolically differentiate a mathematical expression.

This package is used in all the calculator and function plotting java applets and applications on this site.

Math expression parser for the .NET platform.

Fast and very easy to use.

The GraphApplet is a full featured advanced calculator java applet with function plotting capabilities. Also supports symbolic differentiation.

Experiment with creating a command like math tool in pure javascript. A calculator and a function grapher that can symbolically differentiate functions and numerically solve equations and integrals and runs in your browser without any plugins.

Site Search Applet, search applet for any small and medium sized website. Provides your web site with an instant search function without server scripts or databases.

Small utility to "prettify" XML documents including XSL and XHTML documents or any other well formed XML document.