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Returns the smallest (closest to negative infinity) value that is not less than the argument and is equal to a mathematical integer. The constant π (3.14159265...) Math explained in easy …

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Basic Online Calculator with 10-digit keypad and 4 functions to add, subtract, multiply and divide numbers. Includes basic handheld calculator functions for square, square root, percent, sign …

Oct 29, 2025 · Free simple calculator for adding, subtracting, multiplying, dividing.