math — UtilityLab

Percentage Calculator

Calculate percentage of a number, percentage change (increase/decrease), and what percentage X is of Y.

Perform arithmetic operations on proper and improper fractions, reduce fractions to simplest terms, and convert to decimals.

Evaluate scientific mathematical functions including trigonometry, logarithms, roots, powers, and factorials without unsafe arbitrary expressions.

Find the greatest common divisor (GCD / HCF / НОД) of two or three positive integers using the Euclidean algorithm.

Calculate the least common multiple (LCM / НОК) of two or three positive integers.

Calculate the arithmetic mean, median, mode, minimum, maximum, and range of a set of numbers.

Calculate sample and population standard deviation, variance, mean, and sum of squares for any dataset.