{"id":3307,"date":"2013-03-12T08:25:33","date_gmt":"2013-03-12T07:25:33","guid":{"rendered":"http:\/\/blogs.scienceforums.net\/ajb\/?p=3307"},"modified":"2013-03-12T08:25:33","modified_gmt":"2013-03-12T07:25:33","slug":"the-most-irrational-day-of-the-year","status":"publish","type":"post","link":"http:\/\/blogs.scienceforums.net\/ajb\/2013\/03\/12\/the-most-irrational-day-of-the-year\/","title":{"rendered":"The most irrational day of the year!"},"content":{"rendered":"<p><a href=\"http:\/\/www.piday.org\/?ref=widget\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.piday.org\/widgets\/code\/200x90Badge.gif.php\" width=\"200\" height=\"90\" alt=\"Pi Day Countdown\" border=\"0\" \/><\/a><\/p>\n<p>14th March has been officially designated Pi Day, a day for which we can celebrate the glorious number that starts with 3.14. Coincidentally, the 14th of March is also Albert Einstein&#8217;s birthday.<\/p>\n<p>\\(\\pi\\) -the ratio of the circumference of a circle to its diameter- has been calculated to over one trillion decimal places. The record as far as I know belongs to Alexander J. Yee &amp; Shigeru Kondo, who  have calculated \\(\\pi\\) to 10 trillion digits [1]. As an  irrational and transcendental number, \\(\\pi\\) will continue infinitely without any repetition or patterns emerging.<\/p>\n<table border=\"0\">\n<tbody>\n<tr>\n<td>\n<img decoding=\"async\" src=\"http:\/\/upload.wikimedia.org\/wikipedia\/commons\/e\/e1\/Prince-of-pi.jpg\" alt=\"pi man\" width=\"250\" \/><br \/>\n <em>The &#8220;pi man&#8221; Larry Shaw<\/em><\/td>\n<td style=\"vertical-align: top\">\n<p> The first Pi Day was organized by Larry Shaw and held in  San Francisco in 1988. In 2009, the US House of Representatives backed its official designation.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>What to do for Pi Day?<\/strong><br \/>\nSuggestions include bake a pie for Pi Day, or be artistic and write a piece of music, a poem or make a painting. You can find lots more suggestions by following this <a href=\"http:\/\/www.piday.org\/2011\/things-to-do-for-pi-day\/\" title=\"pi Day suggestions\" target=\"_blank\">link<\/a>.<\/p>\n<p><strong>The Welsh connection<\/strong><br \/>\nThe earliest known use of the symbol \\(\\pi\\)  to represent  the ratio of the circumference of a circle to its diameter is by Welsh mathematician <a href=\"http:\/\/en.wikipedia.org\/wiki\/William_Jones_%28mathematician%29\" title=\"jones\" target=\"_blank\">William Jones<\/a> FRS (1675 \u2013 3 July 1749) in 1706 [2].<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/upload.wikimedia.org\/wikipedia\/commons\/7\/76\/William_Jones%2C_the_Mathematician.jpg\" alt=\"jones\" width=\"300\" \/><br \/>\n<em>Portrait of William Jones by William Hogarth, 1740 (National Portrait Gallery)<\/em><\/p>\n<p>Jones  was a close friend of Sir Isaac Newton and Sir Edmund Halley. In November 1711 he became a Fellow of the Royal Society, and was later its Vice-President.<\/p>\n<p><strong>References<\/strong><br \/>\n[1] Alexander J. Yee &amp; Shigeru Kondo,  <a href=\"http:\/\/www.numberworld.org\/misc_runs\/pi-10t\/details.html\" title=\"pi\" target=\"_blank\">Round 2&#8230; 10 Trillion Digits of Pi<\/a> 2013.<\/p>\n<p>[2] William Jones, <em>Synopsis Palmariorum Matheseos<\/em>, 1706.<\/p>\n<p><strong>Links<\/strong><br \/>\n<a href=\"http:\/\/www.piday.org\/\" title=\"Pi Day\" target=\"_blank\">Pi Day<\/a><\/p>\n<p><a href=\"http:\/\/mathworld.wolfram.com\/Pi.html\" title=\"mathworld\" target=\"_blank\">Wolfram MathWorld Pi<\/a><br \/>\n<a href=\"http:\/\/en.wikipedia.org\/wiki\/Pi\" title=\"wikipedia\" target=\"_blank\"><br \/>\nWikipedia Pi<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>14th March has been officially designated Pi Day, a day for which we can celebrate the glorious number that starts with 3.14. Coincidentally, the 14th of March is also Albert Einstein&#8217;s birthday. \\(\\pi\\) -the ratio of the circumference of a circle to its diameter- has been calculated to over one trillion decimal places. The record &hellip; <a href=\"http:\/\/blogs.scienceforums.net\/ajb\/2013\/03\/12\/the-most-irrational-day-of-the-year\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">The most irrational day of the year!<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,6],"tags":[],"class_list":["post-3307","post","type-post","status-publish","format-standard","hentry","category-education","category-general-mathematics"],"_links":{"self":[{"href":"http:\/\/blogs.scienceforums.net\/ajb\/wp-json\/wp\/v2\/posts\/3307","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blogs.scienceforums.net\/ajb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blogs.scienceforums.net\/ajb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/ajb\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/ajb\/wp-json\/wp\/v2\/comments?post=3307"}],"version-history":[{"count":0,"href":"http:\/\/blogs.scienceforums.net\/ajb\/wp-json\/wp\/v2\/posts\/3307\/revisions"}],"wp:attachment":[{"href":"http:\/\/blogs.scienceforums.net\/ajb\/wp-json\/wp\/v2\/media?parent=3307"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/ajb\/wp-json\/wp\/v2\/categories?post=3307"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/ajb\/wp-json\/wp\/v2\/tags?post=3307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}