Everything about the number pi: a gamified site, a written atlas, verified digits, working algorithms, and 25 challenges. One place to learn, play, and compute.
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Updated
Aug 29, 2026 - Python
Everything about the number pi: a gamified site, a written atlas, verified digits, working algorithms, and 25 challenges. One place to learn, play, and compute.
Calculate pi using BBP formula and GMP library. Choose the desired number of digits and the base of your number system.
BBP Type Formulas for Calculating the nth-digit of Pi Concurrently.
One hexadecimal digit of pi from two billion places in, in 8 seconds and 2 MB - written ARM64 NEON Montgomery exponentiation, 9.7x GMP on one core
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