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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...

Free computer help and support. Answering all your computer related questions with complete information on all hardware and software.

The Math Forum is the comprehensive resource for math education on the Internet. Some features include a K-12 math expert help service, an extensive database of math sites, online resources for teaching and learning math, plus much more.

Math tutorials, lessons, tips, instructions, math worksheets, math formulas, multiplication.

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...

WikiAnswers: Questions and Answers from the Community

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

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

News about R, statistics and the world of open source from the staff of REvolution Analytics