{"id":124,"date":"2023-01-07T14:13:24","date_gmt":"2023-01-07T14:13:24","guid":{"rendered":"https:\/\/mathello.com\/?page_id=124"},"modified":"2023-01-07T17:22:59","modified_gmt":"2023-01-07T17:22:59","slug":"bouliers","status":"publish","type":"page","link":"https:\/\/mathello.com\/?page_id=124","title":{"rendered":"Bouliers"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column]<div class=\"woocommerce columns-4 \"><\/div>[\/vc_column][\/vc_row][vc_row][vc_column][vc_separator][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<strong>Le saviez-vous ?<\/strong><\/p>\n<p>La toute premi\u00e8re table \u00e0 compter est la table de salamine dat\u00e9e de 300 avant JC et largement utilis\u00e9e par les Babyloniens. D\u00e9couverte par l\u2019arch\u00e9ologue grec Rhangab\u00e8s sur l\u2019\u00eele de Salamine en 1846, cette tablette est l\u2019anc\u00eatre du boulier. Elle consiste en une grande plaque de marbre blanc, des lignes horizontales, verticales et symboles grecs grav\u00e9s \u00e0 la surface.<\/p>\n<p>On y introduit des galets ou des jetons glissant sur des rainures, et ce n\u2019est qu\u2019au Moyen \u00c2ge qu\u2019il prendra la forme d\u00e9finitive d\u2019abaque ou boulier.<\/p>\n<p>Le boulier chinois, appel\u00e9 autrement Suan Pan en mandarin, est une structure en bois rectangulaire, compos\u00e9e de tiges sur lesquelles sont enfil\u00e9es des boules. Ce syst\u00e8me \u00e0 calculer encore utilis\u00e9 de nos jours, est apparu en Chine vers 1300. Cet outil de calcul traditionnel est consid\u00e9r\u00e9 comme l\u2019un des plus ancien syst\u00e8me \u00e0 calculer.<\/p>\n<p>Sous la dynastie Ming (1368-1644), l\u2019utilisation du boulier chinois a \u00e9t\u00e9 g\u00e9n\u00e9ralis\u00e9e avec l\u2019essor du commerce mais aussi gr\u00e2ce au c\u00e9l\u00e8bre math\u00e9maticien Cheng Dawei. \u00c0 cette \u00e9poque, connu dans le monde entier comme \u00ab le grand ma\u00eetre de zhusuan \u00bb, il publie en 1592 un ouvrage de 17 volumes appel\u00e9 Suanfa tong zong, qui explique l\u2019utilisation de l\u2019abaque (ou boulier) pour les calculs.<\/p>\n<p>L\u2019utilisation de cet outil, indispensable en Chine, est consid\u00e9r\u00e9e comme un art. Les commer\u00e7ants et les \u00e9coliers l\u2019utilisent encore.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-171 size-thumbnail aligncenter\" src=\"http:\/\/mathello.com\/wp-content\/uploads\/2023\/01\/P16b-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" srcset=\"https:\/\/mathello.com\/wp-content\/uploads\/2023\/01\/P16b-150x150.jpg 150w, https:\/\/mathello.com\/wp-content\/uploads\/2023\/01\/P16b-300x300.jpg 300w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][\/vc_column][\/vc_row][vc_row][vc_column][vc_separator][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]Le saviez-vous ? La toute premi\u00e8re table \u00e0 compter est la table de salamine dat\u00e9e de 300 avant JC et largement utilis\u00e9e par les Babyloniens. D\u00e9couverte par l\u2019arch\u00e9ologue grec Rhangab\u00e8s sur l\u2019\u00eele de Salamine en 1846, cette tablette est l\u2019anc\u00eatre du boulier. Elle consiste en une grande plaque de marbre blanc, des lignes horizontales, verticales [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_citadela_hide_page_title":"","_citadela_remove_header_space":"","_citadela_custom_class":"","_citadela_half_map_provider":"","_citadela_half_map_theme":"","_citadela_half_map_themeOSM":"","_citadela_half_map_customTheme":"","_citadela_half_map_dataType":"","_citadela_half_map_dynamicTrack":false,"_citadela_half_map_trackColor":"","_citadela_half_map_trackEndpointsColor":"","_citadela_half_map_filterCategory":"","_citadela_half_map_filterLocation":"","_citadela_half_map_filterFeatured":false,"_citadela_half_map_noDataBehavior":"empty-map","_citadela_half_map_noDataText":"","_citadela_half_map_clusterGridSize":80,"_citadela_header":false,"_citadela_header_over_content":false,"_citadela_header_text_color":"","_citadela_header_logo":[],"_citadela_header_bg_image":[],"_citadela_header_bg_position":[],"_citadela_header_bg_size":"","_citadela_header_bg_repeat":"","_citadela_header_bg_fixed":false,"_citadela_header_bg_color":"","_citadela_header_bg_image_overlay":"","_citadela_header_transparent_bg":false,"_citadela_content_width":"","_citadela_half_layout_position":"","footnotes":""},"class_list":["post-124","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/mathello.com\/index.php?rest_route=\/wp\/v2\/pages\/124"}],"collection":[{"href":"https:\/\/mathello.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mathello.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mathello.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mathello.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=124"}],"version-history":[{"count":3,"href":"https:\/\/mathello.com\/index.php?rest_route=\/wp\/v2\/pages\/124\/revisions"}],"predecessor-version":[{"id":178,"href":"https:\/\/mathello.com\/index.php?rest_route=\/wp\/v2\/pages\/124\/revisions\/178"}],"wp:attachment":[{"href":"https:\/\/mathello.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}