Integral Calculator
Find the antiderivative of a function. Our integral calculator handles polynomials, trigonometric functions, and exponentials, showing each step.
CalculusFree · no sign-upStep-by-step answers
How to use this calculator
- 1Enter your values or expression in the fields above.
- 2Press Enter or click the calculate button.
- 3Read the result, then follow the numbered step-by-step working to understand each stage.
Worked Examples
Frequently Asked Questions
What is the constant of integration C?
Since the derivative of a constant is zero, antiderivatives are only determined up to an added constant C.
What's the power rule for integrals?
∫xⁿ dx = xⁿ⁺¹/(n+1) + C, for n ≠ -1.
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Learn the concepts
Understand the theory behind this calculator.
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Integration is the reverse of differentiation. It computes accumulated quantities and areas.
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A limit describes the value a function approaches as the input approaches some value.
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A derivative measures the instantaneous rate of change of a function.
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Differential Equations
A differential equation relates a function to its derivatives.