MathType
Create and insert mathematical equations into word documents
SMath Studio
A great simple math program that can help you solve challenging math problems
Maple
A computer algebra system from Maplesoft used to analyze, visualize and solve mathematical problems.
Statgraphics
SA data analysis and visualization software
NI Multisim
NI Multisim is SPICE simulation and circuit design software for analog, digital and power electronics in education and research.
FreeMat
An interpreted development tool for engineering and scientific applications
Graphmatica
An intuitive utility utilized to plot endless equation variations on a visual plot with numerical features
GeoGebra
A software tool for teachers and educators of geometry, algebra, statistics and calculus application!