Integral Calculator
An indefinite integral of f is a function F whose derivative is f, written F(x) + C.
Write integral x^2 dx or ∫ x² dx. Polynomials use the power rule for integration.
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Example problems
How this solver works
- Extract the integrand.
- Integrate term by term for polynomials.
- Add C.
Formula
Valid for n ≠ −1.
Worked examples
∫ x^2 dx
- x^3/3 + C
Answer: x^3/3 + C
Common mistakes
Dividing by the old exponent
Raise the power first, then divide by the new exponent.
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Frequently asked questions
Does this do definite integrals?
The first version emphasizes antiderivatives. Evaluate F(b) − F(a) by hand using the result, or ask in a later update.