Outils mathématiques
Algèbre, calcul, statistiques et nombres.
Free mathematical calculators for students, teachers, and professionals. Solve equations and polynomials, compute derivatives and integrals, work with matrices and vectors, and analyze data with statistics, regression, and probability tools. Number theory utilities cover primes, factorization, GCD, and LCM. Every tool runs instantly in your browser with step-by-step work and no signup.
Popular Outils mathématiques
- Equation SolverSolve linear and quadratic equations step by step. Enter expressions like 2x + 3 = 7 or x^2 - 5x + 6 = 0.
- Statistics CalculatorCompute mean, median, mode, standard deviation, variance, quartiles, range, and more from any dataset with step-by-step formulas.
- Sample Size CalculatorCalculate sample size for surveys, mean estimates, A/B tests, and two-group comparisons. Set confidence level, power, margin of error, and effect size. Step-by-step formulas. Free, browser-based.