Simpson's Rule Calculator

    Approximate integrals using Simpson's rule

    Formula

    S = (h/3)[f(a) + 4f(x₁) + 2f(x₂) + ... + f(b)]

    Simpson's rule uses parabolic approximation for higher accuracy than trapezoidal.

    Examples

    ∫x² from 0 to 2, n=10

    Result ≈ 2.6667 (exact).

    Frequently Asked Questions

    About Simpson's Rule

    Approximate integrals using Simpson's rule.