Oct 29, 2025 · Simple online calculator with memory functions similar to a basic handheld calculator. Free simple calculator for adding, subtracting, multiplying, dividing.

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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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What is the remainder of 84 divided by 15? By dividing 84 by 15 we get 9 as the remainder.

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84 is a semiperfect number, [1] being thrice a perfect number, and the sum of the sixth pair of twin primes . [2] It is the number of four-digit perfect powers in decimal.