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For Hobbyists & Makers · Riemann Sums

Riemann Sums for Conway's Game of Life

Built for hobbyists & makers exploring it for fun. Play with real physics and math, no license and no setup — just open and tinker. Simulate Conway's Game of Life live below — adjust the inputs and watch it respond, right in your browser.

Riemann SumsLive

approximating the definite integral

Controls

f(x)

Rectangles approximate the area under the curve. Add more and the Riemann sum converges to the true integral.

Presets

Rectangles

▶ Run in Python

Data Inspector

Riemann sum20.7111

Exact integral20.8000

Error0.0889

Governing equation

\int_{- 4}^{4} f (x) d x \approx i = 0 \sum 11 f (x_{i}) Δ x = 20.711, Δ x = 0.667 (midpoint)

Reading this result: With n=12 midpoint rectangles the step is dx = 0.667. The midpoint rule already cancels much of the error at each rectangle. Adding subintervals shrinks the error toward the exact integral; midpoint and trapezoid rules converge fastest (error ~1/n²), so from n=12 the estimate tightens quickly as you push toward n=100.

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Frequently asked questions

Is this good for hobbyists & makers?: Yes — this version of "Riemann Sums for Conway's Game of Life" is framed for hobbyists & makers exploring it for fun. Play with real physics and math, no license and no setup — just open and tinker.
Do I need to install anything?: No. It runs in any modern browser, free, with no account required.