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

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictiona...

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

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear...

Mathwords home page

Comprehensive encyclopedia of mathematics with 13,000 detailed entries. Continually updated, extensively illustrated, and with interactive examples.

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

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 o...

OriginLab produces professional graphing and data analysis software for scientists and engineers. Our products are designed to be easy-to-use, yet hav...

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Virtual Nerd

A unique approach to math education that integrates popular movies, music, sports and more. Enjoy free math help with fractions, algebra, and geometr...