The original calculator was invented in the 17th century by a frenchman called blaise pascal Use our free calculator online for quick and accurate math calculations on the go He was just 18 years old, and wanted to help his father do his tax calculations.
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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.
A beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more. 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 Perfect for students, professionals, and everyday users, this online calculator provides accurate results for basic arithmetic, scientific functions, and more
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.