Math calculators
Scientific, percentages, fractions, statistics, and algebra.
- Scientific CalculatorOnline scientific calculator with trigonometric, logarithmic, exponent, and root functions.
- Percentage CalculatorFind X% of Y, what % X is of Y, and percent change between two values.
- Fraction CalculatorAdd, subtract, multiply, and divide fractions. Results are simplified automatically.
- Ratio CalculatorSimplify ratios and solve A : B = C : D proportions.
- Square Root & Exponent CalculatorCompute powers (base^exponent) and Nth roots of any number.
- Standard Deviation CalculatorCompute mean, median, variance, and standard deviation (population and sample) for a list of numbers.
- Quadratic Equation SolverSolve ax² + bx + c = 0 with the quadratic formula. Handles real and complex roots.