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.

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.

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.

Calculates pi for different formulas used throughout the years.