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Mathematics

Mathematics tools

3 free tools. No sign-up, no server, works offline.

Percentage CalculatorCalculate percentages, percentage change, and reverse percentages in both directions.Quadratic Equation SolverSolve ax² + bx + c = 0, including complex roots, vertex, and discriminant.Statistics Calculator (Mean, Median, Mode, SD)Compute mean, median, mode, standard deviation, variance, and quartiles from a dataset.