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Calculations and Conversion Tools

Calculator.Com
Calculators for finance, business, and science. There are ones for cooking, hobbies, and health. Some solve problems, some satisfy curiosity, and some just for fun.
Common Weights And Measures
Mathematical Notation for Orders of Magnitude, Metric prefixes, and Common U.S. and Metric equivalents.
Conversion Factors
Lists conversion relationship between U.S. customary units and SI (International System) units.

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