Integration as Area Under Curve - Riemann Sum Approximation

Riemann Sum: Riemann sums are a method for approximating the area under a curve by dividing the area into small rectangles. The more rectangles you use, the more accurate the approximation becomes. Riemann sums are used to calculate definite integrals.

The approximation formula for a left Riemann sum is:

∑ f(x_i) * Δx

Where f(x_i) is the function evaluated at a particular x-point, and Δx is the width of each rectangle.

Select Function: Enter the starting point of the interval (a): Enter the ending point of the interval (b): Enter the number of rectangles: Select Approximation Method:

Results: Riemann Sum Approximation: --

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