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Integral Calculator with steps

Indefinite and definite integrals, area under a curve, integrals with e and ln. Type your problem: see the answer, then every step with the reason. Free, no sign-up.

Solved examples

Each one solved step by step, with the reason for every step.

Evaluate ∫ from 1 to 3 of (2x + 1) dx 10
Integrate ∫ e^(3x) dx ∫ e^3x dx = 13e^3x + C
Area under y = x^2 from x = 0 to x = 3 area = 9 square units
Integrate ∫ 6/x^3 dx −3x² + C
Integrate ∫ 3x^2 dx x³ + C
Integral of x^3 x⁴4 + C
Evaluate ∫ from 0 to 2 of 3x^2 dx 8
Integrate ∫ 5/x dx ∫ 5x dx = 5ln|x| + C
Integrate ∫ 6x dx 3x² + C
Evaluate ∫ from 0 to 3 of 2x dx 9
Integrate ∫ 4e^x dx ∫ 4e^x dx = 4e^x + C
Integrate ∫ (4x + 5) dx 2x² + 5x + C
Evaluate ∫ from 1 to 2 of (4x - 1) dx 5
Integrate ∫ e^(-x) dx ∫ e^−x dx = −e^−x + C
Evaluate ∫ from 0 to 1 of (x^2 + 1) dx 43
Integrate ∫ e^(5x) dx ∫ e^5x dx = 15e^5x + C

Learn how to do it yourself

Antiderivatives · Calculus · 20 problems, printable worksheet
Definite integrals and area · Calculus · 21 problems, printable worksheet
Integrals with e and ln · Calculus 2 · 22 problems, printable worksheet