Math Calculators

Percentages, fractions, statistics, random numbers and a full scientific calculator.

Trigonometry, logs, powers, roots and memory in a fast online scientific calculator.

Solve the three everyday percentage problems: a percent of a number, one number as a percent of another, and percent change.

Add, subtract, multiply or divide two fractions and get the answer in simplest form, as a mixed number and as a decimal.

Generate truly unpredictable random numbers in any range – a single pick, a list of unique numbers or random decimals.

Paste or type a list of numbers to get the standard deviation, variance, mean, median and other summary statistics.