The original calculator was invented in the 17th century by a frenchman called blaise pascal Yes, all the online calculators on the calculator site are free for you to use at your convenience He was just 18 years old, and wanted to help his father do his tax calculations.
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This free online calculator can be used for basic computations such as addition, subtraction, multiplication, division, and square roots.
A beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more.
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. Use the best online calculator for any math calculations on pc and smartphones The free calculator allows you to quickly and accurately perform arithmetic, calculate percentages, raise to a power or take a root
Web2.0calc.com online calculator provides basic and advanced mathematical functions useful for school or college You can operate the calculator directly from your keyboard, as well as using the buttons with your mouse. Free online scientific notation calculator Solve advanced problems in physics, mathematics and engineering
Math expression renderer, plots, unit converter, equation solver, complex numbers, calculation history.
