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≈ Rounding Calculator

Round any number to a specified number of decimal places, significant figures, or the nearest integer.…

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Rounding Calculator — Guide & Formulas

Rounding rule: if the digit to be dropped is 5 or more, round up; if less than 5, round down. Significant figures indicate measurement precision — 3.14159 to 3 sig figs is 3.14. Banker's rounding (round half to even) is used in financial calculations to reduce cumulative rounding errors.

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