Eigenmath can be downloaded for free at: eigenmath.sourceforge.net

Nintendo DS Version: sourceforge.net/projects/eigenmatds

The Eigenmath manual can be downloaded in help section of Eigenmath's website

Eigenmath works on Windows, Mac OS X, and Nintendo DS. The program is comparable to a TI graphing calculator.

Since this program is free and works like a graphing calculator, schools and libraries should have this program installed on their computer systems. This program is a wonderful tool for use with mathematics.

This tutorial will cover simple arithmetic, floating point numbers, graphs, algebra, calculus, derivatives, integrals and scripts.

Video:

EigenMath Tutorial (5:45) Blip.tv