A walkthrough of computing π using the Chudnovsky algorithm in C with the GNU MultiPrecision (GMP) library. Covers the history of π computation, how infinite series converge to π, why standard floating-point precision falls short, and how GMP enables arbitrary-precision arithmetic. Includes annotated C code implementing the

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First, a bit of historyEstimation with Infinite SeriesGetting Precise with GMPChudnovsky, we meet at lastFaster!Links

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