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Digits, chronology, expressions, other constants, maths books, fractals, Rolling Stones lyrics, and computer games.

An open source endeavor for the calculation of this constant. Describes the project, the implemented algorithms for calculatinon and software downloads.

Home of PIOLOGIE, a library for arbitrary precision arithmetic, operating on natural, integer and rational numbers. Also used for calculating pi.

Every sport has its championship. Every sport has its world ranking list. For many who like to memorize numbers, PI is the ultimate number, and it makes sense to create a list for people to get in touch and learn where they stand in the world of memorizers.

Search in the first four billion binary digits of Pi for a string and links to further information about Pi.

Book, digits, links, facts, and quote.