Math Calculators

Scientific calculator, percentage, fraction, average, and random number tools. All free.

Showing 10 of 10 live calculators.

Everyday math

Fast calculators for percentages, averages, fractions, and random numbers.

Calculate percentages, percentage change, and percentage of a number

Add, subtract, multiply, and divide fractions with step-by-step solutions

Calculate mean, median, mode, and range of a set of numbers

Generate random numbers within a custom range with optional settings

Scientific, matrix, statistics, permutations, and number format tools.

Full scientific calculator with trigonometry, logarithms, powers, and more

Calculate matrix addition, multiplication, transpose, determinant, inverse, and scalar operations

Calculate mean, median, mode, range, variance, standard deviation, and quartiles

Calculate nPr and nCr for ordered and unordered selections

Convert numbers into written words for checks, invoices, and documents

Convert Roman numerals to numbers and numbers to Roman numerals