NumWorks - The graphing calculator that makes learning math easier.
SpeQ Mathematics - SpeQ is a small, extensive mathematics program with a simple, intuitive interface.
eMathHelp.net - Site is created to help people learn math. Includes algebra, calculus, differential equation calculators and notes with many examples.
Calculator OSX App - Real Time.
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.
SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .