{"id":25421,"date":"2024-03-14T07:04:04","date_gmt":"2024-03-14T06:04:04","guid":{"rendered":"https:\/\/slivnica.splet.arnes.si\/?p=25421"},"modified":"2024-03-14T07:05:37","modified_gmt":"2024-03-14T06:05:37","slug":"dan-stevila-%cf%80","status":"publish","type":"post","link":"https:\/\/www.slivnica.si\/?p=25421","title":{"rendered":"Dan \u0161tevila \u03c0"},"content":{"rendered":"<div class=\"adn ads\" data-message-id=\"#msg-a:r5753162320325297188\" data-legacy-message-id=\"18e38dca64539457\">\n<div class=\"gs\">\n<div class=\"\">\n<div id=\":83\" class=\"ii gt\">\n<div id=\":84\" class=\"a3s aiL \">\n<div dir=\"ltr\">Danes, <strong>14. 3.<\/strong>, praznuje svoj dan znamenito matemati\u010dno \u0161tevilo \u2013 <strong>\u0161tevilo \u03c0<\/strong>. Vsi poznamo njegov zapis s prvima dvema decimalkama: <strong>3,14<\/strong> in angle\u0161ki zapis dana\u0161njega datuma je tudi razlog, zakaj je prav danes <strong>dan \u0161tevila \u03c0<\/strong>.<\/div>\n<div dir=\"ltr\">Danes vemo, da se \u03c0 skriva v krogu, v \u0161tevilskih vrstah. Imamo ra\u010dunalnike, ki nam pomagajo odkrivati njegove decimalke, ki jih je neskon\u010dno in se nikoli ne za\u010dnejo ponavljati. No, nekdaj pa vsega tega niso imeli. Imeli so samo pamet.<\/div>\n<div dir=\"ltr\">Prvi, ki se je lotil izra\u010duna decimalk \u0161tevila \u03c0, je bil matematik <strong>Arhimed<\/strong>. Narisal je krog, mu v\u010drtal in o\u010drtal pravilni ve\u010dkotnik, dolo\u010dil plo\u0161\u010dini obeh likov in tako sklepal o plo\u0161\u010dini kroga in posredno tudi o \u0161tevilu \u03c0.<\/div>\n<div dir=\"ltr\">Njegovo metodo \u2013 <strong>ve\u010dkotni\u0161ko metodo<\/strong> \u2013 so \u0161e dolgo uporabljali pri dolo\u010danju decimalk. Uporabljal jo je tudi matematik <strong>Ludolf<\/strong>, ki je celo \u017eivljenje posvetil \u0161tevilu \u03c0 in njegovim decimalkam. Uspel je dolo\u010diti 35 decimalk, ki so mu jih vklesali tudi na nagrobni spomenik, hkrati pa se po njem \u0161tevilo \u03c0 imenuje tudi <strong>Ludolfovo \u0161tevilo<\/strong>.<\/div>\n<div dir=\"ltr\">Kar pa je za nas gotovo najbolj vredno omembe: slovenski matematik <strong>Jurij Vega<\/strong> je leta 1789 postavil <strong>svetovni rekord<\/strong>, ko je pravilno izra\u010dunal prvih 137 decimalk \u0161tevila \u03c0.<\/div>\n<div class=\"yj6qo\">&nbsp;<\/div>\n<div class=\"adL\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"ajx\">&nbsp;<\/div>\n<\/div>\n<div class=\"gA gt acV\">\n<div class=\"gB xu\">\n<div class=\"ip iq\">\n<div id=\":82\">\n<table class=\"cf wS\" role=\"presentation\">\n<tbody>\n<tr>\n<td class=\"amq\">&nbsp;<\/td>\n<td class=\"amr\">\n<div class=\"nr wR\">\n<div class=\"amn\">&nbsp;<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Danes, 14. 3., praznuje svoj dan znamenito matemati\u010dno \u0161tevilo \u2013 \u0161tevilo \u03c0. Vsi poznamo njegov zapis s prvima dvema decimalkama: 3,14 in angle\u0161ki zapis dana\u0161njega datuma je tudi razlog, zakaj je prav danes dan \u0161tevila \u03c0. Danes vemo, da se \u03c0 skriva v krogu, v \u0161tevilskih vrstah. Imamo ra\u010dunalnike, ki nam pomagajo odkrivati njegove decimalke, [&hellip;]<\/p>\n","protected":false},"author":106652,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","ngg_post_thumbnail":0,"footnotes":"","_expiration-date-status":"","_expiration-date":0,"_expiration-date-type":"","_expiration-date-categories":[],"_expiration-date-options":[]},"categories":[9],"tags":[],"class_list":["post-25421","post","type-post","status-publish","format-standard","hentry","category-aktualno","et-doesnt-have-format-content","et_post_format-et-post-format-standard"],"_links":{"self":[{"href":"https:\/\/www.slivnica.si\/index.php?rest_route=\/wp\/v2\/posts\/25421","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.slivnica.si\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.slivnica.si\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.slivnica.si\/index.php?rest_route=\/wp\/v2\/users\/106652"}],"replies":[{"embeddable":true,"href":"https:\/\/www.slivnica.si\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=25421"}],"version-history":[{"count":2,"href":"https:\/\/www.slivnica.si\/index.php?rest_route=\/wp\/v2\/posts\/25421\/revisions"}],"predecessor-version":[{"id":25423,"href":"https:\/\/www.slivnica.si\/index.php?rest_route=\/wp\/v2\/posts\/25421\/revisions\/25423"}],"wp:attachment":[{"href":"https:\/\/www.slivnica.si\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.slivnica.si\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.slivnica.si\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}