Double Integral Calculator

    Approximate double integrals over rectangles

    Formula

    ∫∫ f(x,y) dA ≈ Σ f(xᵢ,yⱼ) Δx Δy

    Midpoint rule approximation over a rectangular region.

    Examples

    ∫∫ xy over [0,2]×[0,3]

    Exact = 4.5.

    Frequently Asked Questions

    About Double Integral

    Approximate double integrals over rectangular regions.