Matthew Curtner

A simple, easy-to-use, electrical calculator to help find the needed values corresponding to voltage

Resistor Colors Calc is great for determining resistance using the bands of color on resistors. Sele

Intonation Lite is the free limited version that allows you to tune guitar or bass guitar using your

Pocket Networker is an easy to use tool for calculating all available subnets within an IP range. Si

A simple, beautiful, and fast color based way to convert temperatures between Celsius and Fahrenheit