Area Under Curve Calculator

Approximate definite integrals

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About Area Under Curve Calculator

An area-under-curve calculator that approximates definite integrals using Riemann sums. Supports left, right, midpoint, and trapezoidal rules with adjustable number of rectangles. Works with polynomial, trig, and exponential functions. Shows individual rectangle areas and convergence. All calculations are client-side.

Area Under Curve Calculator Features

  • 4 methods
  • Adjustable n
  • Step values
  • Convergence
  • Common functions

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