HEATKEYS

The Khan Academy is a not-for-profit 501(c)(3) with the mission of providing a world-class education to anyone, anywhere. Despite being the work of one man, Salman Khan, this 1600+ video library is the most-used educational video resource as measure...

Reviews and free software downloads for Windows, Mac, Palm, Pocket PC, and Mobile Phones. The best programs and games. Buy software directly online.

WebMath is designed to help you solve your math problems. Composed of forms to fill-in and then returns analysis of a problem and, when possible, provides a step-by-step solution. Covers arithmetic, algebra, geometry, calculus and statistics.

QuickMath allows students to get instant solutions to all kinds of math problems, from algebra and equation solving right through to calculus and matrices.

Explore math with desmos.com, a free online graphing calculator

Online graphing and solving calculators for functions, equations, and inequalities; get complete function graphs showing asymptotes and discontinuities automatically, plus tutorial analysis for calculus, precalculus, and algebra; includes 1D, 2D, and...

YouTube is a place to discover, watch, upload and share videos.

Our free calculator graphs up to 5 equations, finds intersections and lets you save picture of graph to your computer! Also: pan and zoom, table of values, translate graph, plot points, color code graphs and more.

A help and support forum for Ubuntu Linux.

Purplemath contains practical algebra lessons demonstrating useful techniques and pointing out common errors. Lessons are written with the struggling student in mind, and stress the practicalites over the technicalities. Links and other resources als...