{"id":571,"date":"2018-03-24T17:03:29","date_gmt":"2018-03-24T17:03:29","guid":{"rendered":"http:\/\/institutviladomat.cat\/portfoli\/16marcduran\/?p=571"},"modified":"2018-03-24T17:03:29","modified_gmt":"2018-03-24T17:03:29","slug":"la-historia-dalguna-simbologia-matematica","status":"publish","type":"post","link":"https:\/\/institutviladomat.cat\/portfoli\/16marcduran\/general\/curs-2017-2018\/206-comic\/la-historia-dalguna-simbologia-matematica\/","title":{"rendered":"La hist\u00f2ria d&#8217;alguna simbologia matem\u00e0tica"},"content":{"rendered":"<p>Avui, a l&#8217;hora de matem\u00e0tiques, hem presentat la hist\u00f2ria d&#8217;alguns s\u00edmbols matem\u00e0tics. El meu grup, el grup 15, li va tocar buscar informaci\u00f3 sobre l&#8217;arrel quadrada i la pot\u00e8ncia.<br \/>\nDins del meu grup, jo vaig buscar informaci\u00f3 sobre Albert Girard, creador de l&#8217;arrel quadrada com a s\u00edmbol, i la hist\u00f2ria del s\u00edmbol que va inventar. He apr\u00e8s <img decoding=\"async\" class=\"alignleft\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/7\/7a\/Jodocus_Hondius.jpg\" alt=\"Resultat d'imatges de albert girard\" \/>moltes coses entre elles la hist\u00f2ria de del s\u00edmbol de l&#8217;arrel quadrada.<br \/>\nSabies que el s\u00edmbol de l&#8217;arrel quadrada, es va comen\u00e7ar a utilitzar al 1525 i va apar\u00e8ixer per primera vegada en un llibre alemany d&#8217;\u00e0lgebra. Abans, per indicar l&#8217;arrel d&#8217;un nombre s&#8217;escrivia &#8220;arrel de &#8230;&#8221;. Despr\u00e9s, per abreujar, es va comen\u00e7ar a posar &#8220;r&#8221;. Per\u00f2 si el nombre era llarg, el tra\u00e7 horitzontal de la &#8220;r&#8221; s&#8217;allargava fins abastar totes les xifres. Aix\u00ed va n\u00e9ixer el s\u00edmbol de l&#8217;arrel, com una &#8220;r&#8221; mal feta. El s\u00edmbol de\u00a0\u221a.<\/p>\n<iframe width=\"100%\" height=\"400\" frameborder=\"0\" scrolling=\"https:\/\/docs.google.com\/presentation\/d\/178tSJIFtYl67-JTPFY4N1mVH4tTcUI-yjeGwdPLIKgc\/preview?usp=drivesdk\" src=\"https:\/\/docs.google.com\/presentation\/d\/178tSJIFtYl67-JTPFY4N1mVH4tTcUI-yjeGwdPLIKgc\/preview?usp=drivesdk\"><\/iframe>\n","protected":false},"excerpt":{"rendered":"<p>Avui, a l&#8217;hora de matem\u00e0tiques, hem presentat la hist\u00f2ria d&#8217;alguns s\u00edmbols matem\u00e0tics. El meu grup, el grup 15, li va tocar buscar informaci\u00f3 sobre l&#8217;arrel quadrada i la&#8230;<\/p>\n","protected":false},"author":86,"featured_media":572,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,34],"tags":[],"_links":{"self":[{"href":"https:\/\/institutviladomat.cat\/portfoli\/16marcduran\/wp-json\/wp\/v2\/posts\/571"}],"collection":[{"href":"https:\/\/institutviladomat.cat\/portfoli\/16marcduran\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/institutviladomat.cat\/portfoli\/16marcduran\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/institutviladomat.cat\/portfoli\/16marcduran\/wp-json\/wp\/v2\/users\/86"}],"replies":[{"embeddable":true,"href":"https:\/\/institutviladomat.cat\/portfoli\/16marcduran\/wp-json\/wp\/v2\/comments?post=571"}],"version-history":[{"count":1,"href":"https:\/\/institutviladomat.cat\/portfoli\/16marcduran\/wp-json\/wp\/v2\/posts\/571\/revisions"}],"predecessor-version":[{"id":573,"href":"https:\/\/institutviladomat.cat\/portfoli\/16marcduran\/wp-json\/wp\/v2\/posts\/571\/revisions\/573"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/institutviladomat.cat\/portfoli\/16marcduran\/wp-json\/wp\/v2\/media\/572"}],"wp:attachment":[{"href":"https:\/\/institutviladomat.cat\/portfoli\/16marcduran\/wp-json\/wp\/v2\/media?parent=571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/institutviladomat.cat\/portfoli\/16marcduran\/wp-json\/wp\/v2\/categories?post=571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/institutviladomat.cat\/portfoli\/16marcduran\/wp-json\/wp\/v2\/tags?post=571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}