Free Online Math Calculators
Equations, graphs, matrices and statistical analysis
Equation SolverMatrix CalculatorStatisticsFactorial CalculatorRoman NumeralsFraction CalculatorGraph PlotterGCD & LCMPrime Number CheckerProportion Calculator
Tools in Math & Statistics
Compare all 10 tools by their catalog descriptions and open the one you need.
- Equation SolverSolve linear and quadratic equations over the real numbers
- Matrix CalculatorAddition, multiplication, determinant, inverse matrix
- StatisticsMean, median, mode, standard deviation
- Factorial CalculatorCalculate exact n! for integers from 0 to 1000
- Roman NumeralsConvert Arabic numbers to Roman and back
- Fraction CalculatorExact common-fraction operations with reduced results
- Graph PlotterVisualize mathematical functions
- GCD & LCMGreatest common divisor and least common multiple
- Prime Number CheckerDeterministic primality check in the unsigned 64-bit range
- Proportion CalculatorFind one unknown value in A/B = C/D
About Math & Statistics
Mathematical online calculators for solving equations, working with matrices, statistical analysis and graph plotting. Accurate results using proven algorithms. Works in the browser without specialized software.
What these tools can do
- Linear and quadratic equation solver
- Matrix calculator (determinant, inverse)
- Statistics: mean, median, variance
- Factorial and combinatorics
- Function graph plotter
- Fraction and proportion calculator
- GCD and LCM
- Prime number checker
When to use them
Math tools are used by students, teachers, engineers and researchers for solving problems, verifying calculations and studying mathematics.