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The com.javathings.math class library contains a math expression parser and a class that can symbolically differentiate a mathematical expression.

The com.javathings.math package is used in all the calculator and function plotting applets and applications on this site.

This is a math expression parser written in C#.

It's much like the com.javathings.math package except this one is for the .NET platform.

The GraphApplet is a full featured advanced calculator with function plotting capabilities. The GraphApplet supports juxtaposition and symbolic differentiation.

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.

VBScript that verifies the existance of an email account in the Windows 2003 default SMTP/POP3 service.

This stops NDR's from being sent out and stops your server from being used for NDR spam and attacks of third party servers.

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