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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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Free basic online calculator with percentage calculator, square root, customizable themes, sound effects, and full keyboard support Perfect for students, professionals, and everyday math calculations
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