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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.

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

Coolmath has a ton of cool math games and puzzles, lots of really clear math lessons (arithmetic, fractions, decimals, algebra, etc.), fractals, geometry, tessellations and more. Tons of very cool math stuff for kids, teens, parents and teachers too!

Finance, Math and Engineering Calculators are the small pieces of web applications or tools that perform the calculations as precise as possible. The vast area of topics have been covered and ranges from mortgage, loan, interest, investment, tax, pro...

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

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.

Retailing blog on starting a small business, operations, marketing ideas, and tips on staffing a retail store. Retailing topics include retail marketing, sales, inventory, store locations and steps to starting a small business in retailing. Retail ma...

Free Online Math Calculators and Converters. Mathematics Calculation is made easier.

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Smart, fun, plain-spoken study guides and teacher resources. Digital textbooks by Ph.D. and Masters students from Stanford, Harvard, Berkeley