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Simon Plouffe (born June 11, 1956, Saint-Jovite, Quebec) is a mathematician who discovered the formula for the BBP algorithm (the ''Bailey–Borwein–Plouffe formula'') which permits the computation of the ''n''th binary digit of π, in 1995.〔; accessed March 23, 2015.〕 He co-authored (''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 pi by reciting 4096 digits, a record which stood until 1977.〔David H. Bailey. (The BBP Algorithm for Pi ), September 8, 2006; accessed March 23, 2015.〕 Plouffe discovered an algorithm〔(BBP algorithm ), arxiv.org; accessed March 23, 2015.〕 for the computation of π in any base in 1996.〔(The story behind a formula for Pi ), groups.google.com; accessed June 23, 2003〕 His Inverter is a web site that contains 215 million mathematical constants as of June 3, 2012.〔(Plouffe works ), arxiv.org; accessed March 23, 2015.〕 ==See also== *Fabrice Bellard, who discovered in 1997 a faster formula to compute pi. *PiHex 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Simon Plouffe」の詳細全文を読む スポンサード リンク
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