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

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

CSGNetwork Free Information. Calculators, Converters, Glossary, Open Source Code... find something. Most pages require JavaScript.

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.

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

calculators, engineering, mechanical, electrical, electronics, design, construction, manufacturing, consultant, layout, software, chemical, plastic, polymers

Free math lessons and math homework help from basic math to algebra, geometry and beyond. Students, teachers, parents, and everyone can find solutions to their math problems instantly.

Virtual Nerd

Units of Measurement Converter/Calculator translates value given in one unit system to other systems of measurement. Our converters do their job automatically when you type.

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.

ExRx.net is a exercise resource of nearly 2000 pages for the exercise professional, coach, or fitness enthusiast. ExRx.net features a comprehensive exercise instruction and kinesiology reference for exercise prescription with over 1300 animated exerc...