Mathematics Calculators

Free interactive calculators for common mathematics problems. All calculations happen in your browser — no data sent to a server.

Quadratic Solver

Find the roots of ax² + bx + c = 0. Shows discriminant, real and complex roots, and vertex form.

Compute the derivative of polynomial functions. Shows each step of the power rule application.

Binomial, normal, and Poisson distributions. Enter parameters and compute P(X = k), P(X ≤ k), or P(X ≥ k).