{"id":82230,"date":"2022-01-10T09:12:46","date_gmt":"2022-01-10T07:12:46","guid":{"rendered":"http:\/\/realitatearutiera.ro\/?p=82230"},"modified":"2022-01-10T09:12:49","modified_gmt":"2022-01-10T07:12:49","slug":"10-ianuarie-ziua-matematicii-in-romania","status":"publish","type":"post","link":"https:\/\/realitatearutiera.ro\/?p=82230","title":{"rendered":"10 ianuarie, Ziua Matematicii \u00een Rom\u00e2nia"},"content":{"rendered":"\n<p><strong>Pe 10 ianuarie \u00een Rom\u00e2nia este Ziua Matematicii, potrivit unei legi adoptate \u00een martie 2021 de Parlament. Potrivit expunerii de motive a actului normativ, pe 10 ianuarie 1906 s-a n\u0103scut academicianul Grigore Constantin Moisil, personalitate care \u015fi-a pus amprenta asupra dezvolt\u0103rii matematicii rom\u00e2ne\u015fti \u015fi care a fost cel mai important pionier al informaticii \u00een Rom\u00e2nia \u015fi unul dintre cei mai importan\u0163i teoreticieni ai informaticii din lume.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"82231\" data-permalink=\"https:\/\/realitatearutiera.ro\/?attachment_id=82231\" data-orig-file=\"https:\/\/i2.wp.com\/realitatearutiera.ro\/wp-content\/uploads\/2022\/01\/image-3.jpeg?fit=243%2C208&amp;ssl=1\" data-orig-size=\"243,208\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"image-3\" data-image-description=\"\" data-medium-file=\"https:\/\/i2.wp.com\/realitatearutiera.ro\/wp-content\/uploads\/2022\/01\/image-3.jpeg?fit=243%2C208&amp;ssl=1\" data-large-file=\"https:\/\/i2.wp.com\/realitatearutiera.ro\/wp-content\/uploads\/2022\/01\/image-3.jpeg?fit=243%2C208&amp;ssl=1\" src=\"https:\/\/i2.wp.com\/realitatearutiera.ro\/wp-content\/uploads\/2022\/01\/image-3.jpeg?resize=506%2C433\" alt=\"\" class=\"wp-image-82231\" width=\"506\" height=\"433\" data-recalc-dims=\"1\" \/><\/figure>\n\n\n\n<p><br>&#8220;S\u0103rb\u0103torirea Zilei Matematicii, Informaticii \u015fi \u015etiin\u0163elor naturii poate fi organizat\u0103 de c\u0103tre Academia Rom\u00e2n\u0103, institu\u0163iile de cercetare, institu\u0163iile de \u00eenv\u0103\u0163\u0103m\u00e2nt, autorit\u0103\u0163ile administra\u0163iei publice centrale \u015fi locale \u015fi institu\u0163iile aflate \u00een subordinea sau coordonarea acestora, de c\u0103tre societatea civil\u0103 \u015fi persoane fizice \u015fi juridice, prin organizarea \u015fi\/sau participarea la programe \u015fi manifest\u0103ri \u015ftiin\u0163ifice, culturale, educative, artistice, cu caracter social sau \u015ftiin\u0163ific, consacrate matematicii, informaticii \u015fi \u015ftiin\u0163elor naturii&#8221;, prevede proiectul de lege.<\/p>\n\n\n\n<p>Conform acestuia, autorit\u0103\u0163ile administra\u0163iei publice centrale \u015fi locale \u015fi institu\u0163iile aflate \u00een subordinea sau coordonarea acestora pot acorda sprijin logistic \u015fi pot aloca fonduri din bugetele proprii \u00een vederea organiz\u0103rii \u015fi derul\u0103rii \u00een bune condi\u0163ii a manifest\u0103rilor, \u00een limita aloca\u0163iilor bugetare aprobate.<\/p>\n\n\n\n<p>&#8220;Societatea Rom\u00e2n\u0103 de Televiziune \u015fi Societatea Rom\u00e2n\u0103 de Radiodifuziune, \u00een calitate de servicii publice, vor include \u00een programul zilei emisiuni ori aspecte de la manifest\u0103rile ocazionate de s\u0103rb\u0103torirea Zilei Matematicii, Informaticii \u015fi \u015etiin\u0163elor naturii&#8221;, mai stipuleaz\u0103 proiectul.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ziua Interna\u021bional\u0103 a Matematicii se s\u0103rb\u0103tore\u0219te pe 14 martie<\/h2>\n\n\n\n<p>Ziua Interna\u021bional\u0103 a Matematicii este s\u0103rb\u0103torit\u0103 \u00een fiecare an pe 14 martie. Potrivit Rador. Ea a fost recunoscut\u0103 de Organiza\u021bia Na\u021biunilor Unite pentru Educa\u021bie, \u0218tiin\u021b\u0103 \u0219i Cultur\u0103 (UNESCO) la conferin\u021ba general\u0103 din 2019.<\/p>\n\n\n\n<p>Anterior, data de 14 martie era marcat\u0103 ca Ziua Pi \u015fi a fost s\u0103rb\u0103torit\u0103 pentru prima dat\u0103 \u00een 1988. Ini\u021biat\u0103 de Uniunea Matematic\u0103 Interna\u021bional\u0103, importan\u021ba matematicii \u00een lumea noastr\u0103 este celebrat\u0103 \u00een 14 martie, deoarece aceast\u0103 zi este deja cunoscut\u0103 sub numele de Ziua Pi \u00een multe \u021b\u0103ri. Num\u0103rul Pi (\u03c0) cu valoarea sa aproximativ\u0103 3,14 corespunde cu 14 martie \u00een formatul de dat\u0103 (3.14) utilizat \u00een SUA, de exemplu.<\/p>\n\n\n\n<p>S\u0103rb\u0103toarea Zilei Interna\u021bionale a Matematicii extinde Ziua Pi pentru a include \u00eentregul spectru al matematicii.<\/p>\n\n\n\n<p><br>Pentru a s\u0103rb\u0103tori aceast\u0103 zi, pasiona\u021bii de matematic\u0103 organizeaz\u0103 concursuri, ateliere tematice Pi-Day etc. Mul\u021bi adul\u021bi sunt, de asemenea, foarte interesa\u021bi de aceste ateliere pentru a-\u0219i men\u021bine vie dragostea pentru subiect.<\/p>\n\n\n\n<p><br>Primul calcul al lui Pi a fost f\u0103cut de Arhimede din Siracuza (287-212 \u00ee.Hr.), unul dintre cei mai buni matematicieni ai lumii antice. Arhimede a aproximat calculul ariei unui cerc folosind teorema lui Pitagora pentru a g\u0103si ariile a dou\u0103 poligoane regulate: poligonul \u00eenscris \u00een cerc \u0219i poligonul \u00een care cercul a fost circumscris. Deoarece aria real\u0103 a cercului se afl\u0103 \u00eentre zonele poligoanelor inscrip\u021bionate \u0219i circumscrise, ariile poligoanelor au dat limite superioare \u0219i inferioare pentru aria cercului. Arhimede \u0219tia c\u0103 nu g\u0103sise valoarea lui Pi, ci doar o aproximare \u00een aceste limite.<\/p>\n\n\n\n<p>Zu Chongzhi (429-501), un matematician \u0219i astronom chinez str\u0103lucit, a folosit o abordare similar\u0103. Zu Chongzhi nu a fost familiarizat cu metoda lui Arhimede, dar deoarece cartea sa s-a pierdut, se \u0219tie pu\u021bin despre opera sa. El a calculat 3,14 ca valoare aproximativ\u0103 a lui Pi \u0219i a ar\u0103tat-o sub forma frac\u021biilor 157\/50 \u0219i 3927\/1250. Matematicienii au \u00eenceput s\u0103 foloseasc\u0103 litera greac\u0103 pi \u00een anul 1700, dar valoarea nu a fost acceptat\u0103 oficial de comunitatea \u0219tiin\u021bific\u0103 dec\u00e2t dup\u0103 ce Leonhard Euler a inventat simbolul Pi, \u00een 1737.<br>Dac\u0103 ar fi s\u0103 scriem primele 200.000 de milioane de zecimale ale lui Pi \u00een linie dreapt\u0103, pun\u00e2nd \u00een medie cinci cifre pe centimetru liniar de h\u00e2rtie, f\u00e2\u0219ia de h\u00e2rtie ar fi at\u00e2t de lung\u0103 \u00eenc\u00e2t ar putea \u00eenconjura circumferin\u021ba P\u0103m\u00e2ntului.<\/p>\n\n\n\n<p>Sursa:hotnews<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pe 10 ianuarie \u00een Rom\u00e2nia este Ziua Matematicii, potrivit unei legi adoptate \u00een martie 2021 de Parlament. Potrivit expunerii de<\/p>\n","protected":false},"author":1,"featured_media":82232,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":"","jetpack_publicize_message":""},"categories":[6],"tags":[],"class_list":["post-82230","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-social"],"jetpack_featured_media_url":"https:\/\/i2.wp.com\/realitatearutiera.ro\/wp-content\/uploads\/2022\/01\/23399.jpg?fit=800%2C533&ssl=1","jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p61naM-loi","jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/posts\/82230","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=82230"}],"version-history":[{"count":1,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/posts\/82230\/revisions"}],"predecessor-version":[{"id":82233,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/posts\/82230\/revisions\/82233"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=\/wp\/v2\/media\/82232"}],"wp:attachment":[{"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=82230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=82230"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/realitatearutiera.ro\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=82230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}