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Vivid Explainer

Mathematics and statistics

Every site here explains one idea in mathematics and statistics with figures you can drag, change and break.

Mathematics and statistics Change, Made Visible An interactive explanation of calculus. Open it
Mathematics and statistics Secrets from Primes An interactive explanation of prime numbers, clock arithmetic and the public-key cryptography built on them. Open it
Mathematics and statistics The Sampling Lab Statistics as an experiment you can run. Open it
Mathematics and statistics The Unit Circle Trigonometry from one picture, a point going round a circle. Open it