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The original calculator was invented in the 17th century by a Frenchman called Blaise Pascal! 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
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Your all-in-one online calculator for quick and precise basic to scientific calculations Easily perform addition, subtraction, multiplication, division, trigonometry, logarithms, and more with our user-friendly interface
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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
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Online scientific calculator from MathDA: perform calculations with basic math to equation solver, integral, derivative, matrix, vector, statistics
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