Integral calculator
Calculate integrals step by step: indefinite and definite integrals with power rule, substitution, integration by parts, and trigonometric integrals.
∫dx
How to integrate
Integration is the reverse of differentiation. Key rules: power rule (x^(n+1)/(n+1)), substitution (u-sub), integration by parts (∫udv = uv - ∫vdu).
Common integrals
∫x^n dx = x^(n+1)/(n+1) + C, ∫sin x dx = -cos x + C, ∫cos x dx = sin x + C, ∫e^x dx = e^x + C, ∫1/x dx = ln|x| + C.
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