Free integral calculator - solve indefinite, definite and multiple integrals with all the steps. Type in any integral to get the solution, steps and graph

Solve definite and indefinite integrals (antiderivatives) using this free online calculator. Step-by-step solution and graphs included!

Integration is a way of adding slices to find the whole. Integration can be used to find areas, volumes, central points and many useful things.

Integration is finding the antiderivative of a function. It is the inverse process of differentiation. Learn about integration, its applications, and methods of integration using specific rules and formulas.

The fundamental theorem of calculus relates definite integration to differentiation and provides a method to compute the definite integral of a function when its antiderivative is known; differentiation and …

Jul 23, 2025 · The integration can be done using multiple methods like integration by substitution, integration by parts, integration by partial fraction, etc. If f is the positive continuous function defined …

Free Integral Calculator helps you solve definite and indefinite integration problems. Also double, triple and improper integrals. Answers, graphs, alternate forms.