Numerical Integration

Integrate f(x) over [a,b] with trapezoidal or Simpson's rule.

Polynomial coefficients (high → low) a b n

0.33335

Trapezoidal

0.333333

Simpson 1/3

About this tool

Type a function in x — sin, cos, exp, log, sqrt and ^ are supported. Compares trapezoidal and Simpson's 1/3 rule estimates side by side.