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Fractions Calculators

Browse 12 tools, including Percentage Calculator, Scientific Calculator, Fraction Calculator.

Percentage Calculator

Find a percentage of a number and its remainder.

Evaluate arithmetic and scientific expressions with parentheses and explicit angle units.

Calculate and reduce exact fractions using integer arithmetic.

Calculate mean, median, modes, range and sample/population standard deviation for a list.

Calculate absolute percent error against a nonzero accepted value.

Calculate mean, median, modes, range and sample/population standard deviation for a list.

Calculate mean, median, modes, range and sample/population standard deviation for a list.

Simplify an integer ratio and find its decimal quotient.

Round a number to a decimal place, including tens and hundreds.

Evaluate arithmetic and scientific expressions with parentheses and explicit angle units.

Show an exact integer quotient and remainder, plus a decimal approximation.

Calculate mean, median, modes, range and sample/population standard deviation for a list.

12 working tools. Each page explains its inputs, formula and assumptions.