Science Reference Units of Measurement Online Calculators

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• Computers: Hardware: Calculators  (82)
• Recreation: Travel: Preparation: Currencies: Exchange Rates  (18)
• Science: Math: Software: Calculators  (67)

• Martindale's Calculators   - A collection of calculators for the sciences, business and everyday measurements. Organized by subject area.

• ABE Volume Calculator Page - A collection of volumetric calculators for a variety of shapes. Including cylinder sphere barrel pyramid and dome.
• Calculate for Free - Performs basic math operations, as well as square root and percentages. Includes memory save and recall.
• Calculator City - Includes tools to solve equations like for velocity, density, financial, geometry, algebra, calculus, astronomy, chemistry, physics and webpage color coders. Also, has trivia fact pages, such as state demographics and presidents.
• Calculator.com - Online calculators for a variety of conversions and calculations.
• Conversion of Units - Database of conversion factors and a calculator.
• Convertalot - Collection of free Java measurements converters, calculators, and unit translators.
• Dario Alpern's Complex Number Calculator - Computes basic operations, 1/z, pi, exponent, log, trig, and polygamma functions. Includes memory feature.
• Hiox Calculator & Converter - Features calcutors for arithmetic functions, scientific computations, binary conversions, areas, finanical interest, prime numbers, recurring fractions, factoring, matrices, HEX color converter, date and day calculations, as well as for measuring bandwidth.
• MrCalculator - Features calculators for arithmetic operations, hexidecimal conversions, camera focus evaluations, finding monthly mortgage payments, color codes, and to make sundials.
• Percent Change Calculator - Measures the difference in value using percentages. Includes bar graphs with the answer.
• Physics Calculator - This RPN calculator implements arithmetic and scientific operations and functions, as well as predefined physical constants.
• ScatterMall.com - Free calculators for science, travel, students, health, education, weather, math, and business. Includes graphing calculators and measurement conversions.