chudnovsky

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.

Calculates pi for different formulas used throughout the years.

High-performance, multi-threaded PI digit calculator using the Chudnovsky algorithm and GMP/MPFR with binary splitting.

Visualize digits of π using fixed-point Chudnovsky computation and binary splitting, rendered as a color-coded grid in the browser.

Native Apple Silicon (ARM64) Pi & constant cruncher inspired by y-cruncher. Built with C++20 and ARM NEON SIMD.

High-performance number theory tools in Python and Rust: π, e, primes, Fibonacci, factorials, perfect numbers, Collatz, Goldbach and more

High-precision terminal π explorer — Chudnovsky, Ramanujan, Machin, and BBP spigot algorithms, verified against independent reference digits.

用 C++ 不停算 π：Chudnovsky 级数 + 二分分裂，Machin 公式交叉验证

查出生日在圆周率小数中首次出现的位置 | 内置1000万位+可选10亿位离线包 | CLI+桌面+网页三界面 | 纯离线可用

The first 100 million decimal places of pi: browse, search and explore

Calculating digits of pi with arbitrary size and find pattern inside.

Calculates Pi to 5,000,000 digits or 481 accurately in 5 day. It's thrown on irrational division.

Calculates pi to 1,000,000 digits or 99,995 accurately in 1 day. It's thrown on a bitwise or.

Arbitrary-precision pi calculator in Rust using the Chudnovsky algorithm and GMP.