The original calculator was invented in the 17th century by a frenchman called blaise pascal You can operate the calculator directly from your keyboard, as well as using the buttons with your mouse. He was just 18 years old, and wanted to help his father do his tax calculations.
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A beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more.
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The free calculator allows you to quickly and accurately perform arithmetic, calculate percentages, raise to a power or take a root This free online calculator can be used for basic computations such as addition, subtraction, multiplication, division, and square roots. Use this basic calculator online for math with addition, subtraction, division and multiplication The calculator includes functions for square root, percentage, pi, exponents, powers and rounding.
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