Integral Evaluator

Definite and indefinite integrals step by step

Grades 11–12

Function

Exponent (n)

Lower bound (a)

Upper bound (b)

\int_{0}^{3} x^{2} \, dx

Antiderivative: F(x) =

\frac{x^{3}}{3}

F(3) - F(0) = 9 - (0) = 9

= 9

Simpson's rule verification: ≈ 9

Area under curve from 0 to 3