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Simon Plouffe

Simon Plouffe

Simon Plouffe (born June 11, 1956) is a French Canadian mathematician who discovered the Bailey–Borwein–Plouffe formula (BBP algorithm) which permits the computation of the nth binary digit of π, in 1995.^[1]^[2]^[3] His other 2022 formula allows extracting the nth digit of $π$ in decimal.^[4] He was born in Saint-Jovite, Quebec.

He co-authored The Encyclopedia of Integer Sequences, made into the website On-Line Encyclopedia of Integer Sequences dedicated to integer sequences later in 1995. In 1975, Plouffe broke the world record for memorizing digits of π by reciting 4096 digits, a record which stood until 1977.^[5]

See also

Fabrice Bellard, who discovered in 1997 a faster formula to compute pi.
PiHex

Notes

^ Works by Simon Plouffe at Project Gutenberg; accessed March 23, 2015.
^ BBP algorithm, arxiv.org; accessed March 23, 2015.
^ "The story behind a formula for Pi". groups.google.com. Retrieved 2023-12-06.
^ Weisstein, Eric W. "Digit-Extraction Algorithm". MathWorld. (referencing arXiv:2201.12601)
^ David H. Bailey. (September 8, 2006), The BBP Algorithm for Pi (PDF), retrieved March 23, 2015

External links

Works by Simon Plouffe at Project Gutenberg
Works by or about Simon Plouffe at the Internet Archive
Plouffe website (in French)
Simon Plouffe at the Mathematics Genealogy Project
N. J. A. Sloane and S. Plouffe, The Encyclopedia of Integer Sequences, Academic Press, San Diego, 1995, 587 pp. ISBN 0-12-558630-2.

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