{"id":792,"date":"2010-09-18T06:37:07","date_gmt":"2010-09-18T14:37:07","guid":{"rendered":"http:\/\/experimentalmath.info\/blog\/?p=792"},"modified":"2010-09-18T06:37:07","modified_gmt":"2010-09-18T14:37:07","slug":"yahoo-researcher-computes-binary-digits-of-pi-beginning-at-two-quadrillionth-digit","status":"publish","type":"post","link":"https:\/\/experimentalmath.info\/blog\/2010\/09\/yahoo-researcher-computes-binary-digits-of-pi-beginning-at-two-quadrillionth-digit\/","title":{"rendered":"Yahoo! researcher computes binary digits of pi beginning at two quadrillionth digit"},"content":{"rendered":"<p>Using his company&#8217;s distributed computing facilities, Tsz-Wo Sze, a Yahoo! researcher, has computed a sequence of binary digits of pi beginning at the two quadrillionth binary digit of pi.  This computation used Bellard&#8217;s variant of the original &#8220;BBP&#8221; formula for pi, which formula was discovered in 1996 by a computer program running the &#8220;PSLQ&#8221; integer relation algorithm.  <\/p>\n<p>A <i>New Scientist<\/i> article describing this computation is available here: <a href=\"http:\/\/www.newscientist.com\/article\/dn19465-new-pi-record-exploits-yahoos-computers.html\">New Scientist<\/a>.<\/p>\n<p>A paper written by Sze presenting the details of his computational methods and results is available here: <a href=\"http:\/\/arxiv.org\/abs\/1008.3171\">Sze manuscript<\/a>.<\/p>\n<p>Additional background information on the history of pi and the BBP formula for pi is available here: <a href=\"http:\/\/www.carma.newcastle.edu.au\/~jb616\/pi-2010.pdf\">&#8220;The Life of Pi&#8221;<\/a> and <a href=\"http:\/\/crd.lbl.gov\/~dhbailey\/dhbpapers\/pi-quest.pdf\">&#8220;The Quest for Pi&#8221;<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Using his company&#8217;s distributed computing facilities, Tsz-Wo Sze, a Yahoo! researcher, has computed a sequence of binary digits of pi beginning at the two quadrillionth binary digit of pi. This computation used Bellard&#8217;s variant of the original &#8220;BBP&#8221; formula for pi, which formula was discovered in 1996 by a computer program running the &#8220;PSLQ&#8221; integer relation algorithm. <\/p>\n<p>A New Scientist article describing this computation is available here: New Scientist.<\/p>\n<p>A paper written by Sze presenting the details of his computational methods and results is available here: Sze manuscript.<\/p>\n<p>Additional background information on the history of pi and the BBP <\/p>\n<p>Continue reading <a href=\"https:\/\/experimentalmath.info\/blog\/2010\/09\/yahoo-researcher-computes-binary-digits-of-pi-beginning-at-two-quadrillionth-digit\/\">Yahoo! researcher computes binary digits of pi beginning at two quadrillionth digit<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-792","post","type-post","status-publish","format-standard","hentry","category-news","odd"],"_links":{"self":[{"href":"https:\/\/experimentalmath.info\/blog\/wp-json\/wp\/v2\/posts\/792","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/experimentalmath.info\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/experimentalmath.info\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/experimentalmath.info\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/experimentalmath.info\/blog\/wp-json\/wp\/v2\/comments?post=792"}],"version-history":[{"count":4,"href":"https:\/\/experimentalmath.info\/blog\/wp-json\/wp\/v2\/posts\/792\/revisions"}],"predecessor-version":[{"id":796,"href":"https:\/\/experimentalmath.info\/blog\/wp-json\/wp\/v2\/posts\/792\/revisions\/796"}],"wp:attachment":[{"href":"https:\/\/experimentalmath.info\/blog\/wp-json\/wp\/v2\/media?parent=792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/experimentalmath.info\/blog\/wp-json\/wp\/v2\/categories?post=792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/experimentalmath.info\/blog\/wp-json\/wp\/v2\/tags?post=792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}