Derivatives, integrals, limits, and calculus tools.
Derivative Calculator — f′(x) at a Point (Numerical)
Select a function and enter x to compute f′(x) numerically using central difference approximation.
Definite Integral Calculator — ∫ f(x)dx Numerically
Select a function, enter lower and upper bounds, and get ∫ₐᵇ f(x)dx via Simpson's Rule.