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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...

Fact Monster is a free reference site for students, teachers, and parents. Get homework help and find facts on thousands of subjects, including sports, entertainment, geography, history, biography, education, and health.

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.

Online Conversion is a resource for weights, measures, calculators, converters.

Pictures of my pet cocker spaniel, Gabby, History and photos of the lance missile (neutron bomb)

Metric Conversion calculators, tables and formulas for temperature, length, area, volume and weight metric conversions.

Get great science fair projects, kids science projects & experiments, & science articles at Science Made Simple. Free Sample Projects. Learn how to choose science fair topics & ideas, plan and perform your science experiment using the sci...

A resource containing many useful calculators and conversions

A comprehensive calculation website, which aims to provide higher calculation accuracy, ease of use, and fun, contains a wide variety of content such as lunar or nine stars calendar calculation, oblique or area calculation for do-it-yourself, and hig...

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