The Unit Converter app: easy, immediate and multi-platform
Multiprecision calculator
Some humble web applications
Open-source C/C++ math engine for advanced scientific computing
Loan Payment Matrix Calculator 2.0
Calculates the voltage across a liquid junction between two solutions
calculator for avi-file streams
Java 7 based food needs calculator using Google Web Toolkit and HTML5
Auction Calculator
A combination of a virtual breathalyzer and a calories calculator.