Use this practical script to easily figure out how many megabytes is 134,643 kilobytes, or 1024,000,000 bytes is gigabytes. You get the idea.

Temperature Converter is a very handy script that instantly coverts between the major temperature units Fahrenheit, Celsius, and Kelvin.

The chmod calculator is the script to have handy when setting permissions on your cgi files via FTP. 755 anyone?

This is a DHTML calculator with error checking. Definitely more stylish than the traditional JavaScript calculator, if nothing else.

This is a RPN JavaScript calculator. RPN stands for "Reverse Polish Notation," a parenthesis-free method for performing calculations. In the United States this method has been popularized by the Hewlett-Packard Corporation, which sells a line of RPN calculators.