HEATKEYS

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

Easiest way to plot functions! Just type fooplot.com/sin(x) or your function into your browser.

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...

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

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...

Wolfram|Alpha gives you access to the world

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.

Learn how to do desktop publishingand graphic design. Learn how to use typography and images. Explore free page layout and desktop publishing software tutorials, graphic design lessons, and desktop publishing classes. Find free fonts, clip art, templ...

Free analytical and interactive math, calculus, geometry and trigonometry tutorials and problems with solutions. Thousands of problems and examples with detailed solutions and answers are included in this site. Also explore topics in mathematics usin...

MathWorks is the world’s leading developer of technical computing software for engineers and scientists in industry, government, and education