Math Calculators

Percentages, fractions, and statistics — 7 free tools

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Browse 7 calculators

Find percentages, increases, decreases, and differences.

Trigonometry, logarithms, powers, and advanced math.

Credit-weighted grade point average on a 4.0 scale.

Add, subtract, multiply, divide, and simplify fractions.

Generate random integers or decimals in any range.

Calculate mean, variance, and standard deviation for a data set.

Find the final exam score needed to reach your target grade.