Simon Plouffe

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Simon Plouffe is a Quebec mathematician born on June 11, 1956 in Saint-Jovite, Quebec. He discovered the formula for the BBP algorithm (the Bailey–Borwein–Plouffe formula) which permits the computation of the nth binary digit of π, in 1995.[citation needed] Plouffe is also the co-author of the Encyclopedia of Integer Sequences, made into the web site (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, which stood until 1977.[citation needed]

Plouffe discovered an algorithm for the computation of π in any base in 1996.[citation needed] He has expressed regret for having shared credit for his discovery of this formula with Bailey and Borwein.[1]

Plouffe's Inverter is a web site that contains 215 million mathematical constants as of June 3, 2012.

See also[edit]


  1. ^ Simon Plouffe - The story behind a formula for Pi - Newsgroup post to sci.math and sci.math.symbolic, June 23, 2003

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