steam calculator

Free compact scientific tape calculator with many features: asin(2 13^ln(pi))

Calculate the percentage, tip and discount calculator

Time calculator and spreadsheet, graph, saving and export to csv, MySQL and HTML

This graphics-intensive program is a valuable transmission-line calculator.

Formula calculator with fullscreen editor.

Cool Windows calculator with editable tape, excelent for everyday use

Mathmatix is an animated 2D and 3D expression graphing calculator.

A calculator that may be used to perform addition, subtraction, multiplication

MYCalc2 is a powerfull RPN programmable scientific/Currency convertor calculator

A Simple MD5/SHA1 calculator in Ruby.