HEATKEYS

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

Percentage change calculator

Math help since 1998. Math Goodies helps kids at all levels with interactive instruction and free resources. Get help online or offline.

Calculators online for finance, math, algebra, trigonometry, fractions, physics and time. Use an online calculator, search or suggest a new calculator that we can build for free online use. Conversions and calculators to use online for free. Formerl...

TI 83/84 Calculator Tutorial for Macon State College

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.

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Robert Niles develops award-winning online news communities and trains Web journalists.

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Virtual Nerd

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...

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Action packed math site for elementary and middle school students featuring math games, math word problems, math worksheets, logic puzzles, and math videos.