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
[edit]- Fabrice Bellard, who discovered in 1997 a faster formula to compute pi.
- PiHex
Notes
[edit]- ^ 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
[edit]- 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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