{"id":3502,"date":"2026-07-22T08:08:49","date_gmt":"2026-07-22T13:08:49","guid":{"rendered":"https:\/\/www.pivisuals.com\/news\/?p=3502"},"modified":"2026-07-21T23:25:58","modified_gmt":"2026-07-22T04:25:58","slug":"happy-pi-approximation-day-16","status":"publish","type":"post","link":"https:\/\/www.pivisuals.com\/news\/2026\/07\/happy-pi-approximation-day-16\/","title":{"rendered":"Happy Pi Approximation Day!"},"content":{"rendered":"<p>It&#8217;s <em><strong>about<\/strong><\/em> time to celebrate Pi Approximation Day&#8230; sorry, I&#8217;ll show myself out.<\/p>\n<p>In the meantime, did you know that while 22\/7 is by far the most famous fractional approximation of Pi, it isn&#8217;t the best one? The fraction 355\/113 (known as Mil\u00fc) matches Pi to six decimal places, which is pretty incredible for such a simple fraction.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.pivisuals.com\/wordpress\/wp-content\/uploads\/2026\/07\/PiApproximationDay.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3383 size-medium\" title=\"Good summary of the various approximation\" src=\"https:\/\/www.pivisuals.com\/wordpress\/wp-content\/uploads\/2026\/07\/PiApproximationDay-300x200.png\" alt=\"An illustrative Pi symbol next to pie and the various approximations of the mathematical symbol\" width=\"300\" height=\"200\" \/><\/a><\/p>\n<p>Mil\u00fc was discovered by the Chinese mathematician Zu Chongzhi over 1,500 years ago, making it one of the greatest mathematical approximations of the ancient world. All this done before the advent of the iPad, something my kids have a hard time believing. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>It&#8217;s about time to celebrate Pi Approximation Day&#8230; sorry, I&#8217;ll show myself out. In the meantime, did you know that while 22\/7 is by far the most famous fractional approximation of Pi, it isn&#8217;t the best one? The fraction 355\/113 (known as Mil\u00fc) matches Pi to six decimal places, which is pretty incredible for such [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[59],"class_list":["post-3502","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-pi"],"_links":{"self":[{"href":"https:\/\/www.pivisuals.com\/news\/wp-json\/wp\/v2\/posts\/3502","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pivisuals.com\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pivisuals.com\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pivisuals.com\/news\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pivisuals.com\/news\/wp-json\/wp\/v2\/comments?post=3502"}],"version-history":[{"count":2,"href":"https:\/\/www.pivisuals.com\/news\/wp-json\/wp\/v2\/posts\/3502\/revisions"}],"predecessor-version":[{"id":3507,"href":"https:\/\/www.pivisuals.com\/news\/wp-json\/wp\/v2\/posts\/3502\/revisions\/3507"}],"wp:attachment":[{"href":"https:\/\/www.pivisuals.com\/news\/wp-json\/wp\/v2\/media?parent=3502"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pivisuals.com\/news\/wp-json\/wp\/v2\/categories?post=3502"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pivisuals.com\/news\/wp-json\/wp\/v2\/tags?post=3502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}