Percentage, fractions, statistics, algebra — solve everyday math problems instantly. All calculations run privately in your browser.
Calculate X% of Y, find what percent X is of Y, or percent change.
Find absolute and percentage change between two values.
Mean, median, mode, sum, min, max, and standard deviation from a list.
Add, subtract, multiply, and divide fractions. Simplified results.
Simplify ratios and split a total proportionally between two values.
Generate random integers in a range. Optional unique numbers.
Calculate n! for any non-negative integer up to 170.
Find greatest common divisor and least common multiple of two numbers.
Check if a number is prime and list all divisors.
Sample or population standard deviation and variance from data.
Solve ax² + bx + c = 0. Real and complex roots with discriminant.
Calculate log with any base plus ln, log₁₀, and log₂.
Mean, median, mode, sum, min, max, and standard deviation from a list.
Calculate n! for any non-negative integer up to 170.
Add, subtract, multiply, and divide fractions. Simplified results.
Find greatest common divisor and least common multiple of two numbers.
Calculate log with any base plus ln, log₁₀, and log₂.
Calculate X% of Y, find what percent X is of Y, or percent change.
Find absolute and percentage change between two values.
Check if a number is prime and list all divisors.
Solve ax² + bx + c = 0. Real and complex roots with discriminant.
Generate random integers in a range. Optional unique numbers.
Simplify ratios and split a total proportionally between two values.
Sample or population standard deviation and variance from data.