Integral Calculator
Calculate definite integrals using Simpson's rule
Examples: sin(x), exp(-x^2), ln(x), sqrt(x), pi
Numerical estimate: 2.66666666667
Error estimate
5.92118946467e-17
Intervals
1000
Method: Composite Simpson rule
This is a finite-sample numerical approximation, not symbolic calculus or a proof that a limit exists. Check discontinuities and the reported error estimate.