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Math Calculators

Scientific, fractions, percentages, and more

A full-featured scientific calculator with trig, logarithms, powers, and more.

Calculate percentages three ways: X% of Y, percentage change, or what percent X is of Y.

Add, subtract, multiply, and divide fractions with automatic simplification.

Generate random numbers within any range, with or without duplicates.

Find all sides, angles, area, and perimeter of any triangle.

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

A faithful TI-84 Plus style calculator with trig, logarithms, inverses, and algebraic expressions.