{"id":27348,"date":"2021-08-20T20:05:44","date_gmt":"2021-08-20T20:05:44","guid":{"rendered":"https:\/\/jazairhope.org\/?p=27348"},"modified":"2021-08-20T20:05:44","modified_gmt":"2021-08-20T20:05:44","slug":"bejaia-bougie-bgayet-de-fibonacci-de-pisa-a-sidi-abdelkader-laventure-des-chiffres-arabes","status":"publish","type":"post","link":"https:\/\/jazairhope.org\/fr\/bejaia-bougie-bgayet-de-fibonacci-de-pisa-a-sidi-abdelkader-laventure-des-chiffres-arabes\/","title":{"rendered":"BEJAIA BOUGIE BGAYET, de FIBONACCI de PISA a SIDI ABDELKADER&#8230; : L\u2019aventure des chiffres arabes"},"content":{"rendered":"<p>Le math\u00e9maticien italien Leonardo Fibonacci originaire de Pise participa \u00e0 la diffusion active des chiffres arabes tels que transmis durant son \u00e9ducation dans la ville de B\u00e9ja\u00efa, \u00e0 l\u2019Est de l\u2019Alg\u00e9rie.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-27352\" src=\"https:\/\/jazairhope.org\/wp-content\/uploads\/2021\/08\/Bejaia-Piri-Reis-copy-273x420-1-195x300.jpg\" alt=\"\" width=\"239\" height=\"366\" \/><\/p>\n<p><strong>Bejaia Piri Reis, Carte maritime du XVI si\u00e8cle repr\u00e9sentant la c\u00f4te d\u2019Alger et de B\u00e9ja\u00efa, de Piri Reis<\/strong><\/p>\n<p>Les chiffres arabes d\u00e9signent le syst\u00e8me de num\u00e9rotation avec une notation positionnelle et dix chiffres de base inspir\u00e9s d\u2019un syst\u00e8me indien datant de la p\u00e9riode s\u2019\u00e9tendant entre le 1er et le 4\u00e8me si\u00e8cle av. J.-C. Diffus\u00e9s par les math\u00e9maticiens arabes, les chiffres arabes viennent remplacer les chiffres romains, alors en usage en Europe, dont l\u2019emploi rendait complexes les op\u00e9rations num\u00e9riques.<\/p>\n<p>Bien qu\u2019issus d\u2019un m\u00eame syst\u00e8me, les symboles (ou glyphes) attribu\u00e9s \u00e0 chaque chiffre varient cependant selon les \u00e8res g\u00e9ographiques \u00e0 partir du Moyen \u00c2ge. Ils peuvent \u00eatre divis\u00e9s en trois principales familles: les chiffres arabes dit occidentaux utilis\u00e9s \u00e0 l\u2019\u00e9poque au Maghreb et en Andalousie (dont la version moderne utilis\u00e9e est 0,1,2,3,4,5,6,7,8,9), les chiffres arabes orientaux utilis\u00e9s au Moyen Orient (dont la version moderne utilis\u00e9e est \u0660,\u0661,\u0662,\u0663,\u0664,\u0665,\u0666,\u0667,\u0668,\u0669), et les chiffres indiens utilis\u00e9s dans le sub-continent (dont la version moderne utilis\u00e9e est \u0966,\u0967,\u0968,\u0969,\u096a,\u096b,\u096c,\u096d,\u096e,\u096f).<\/p>\n<p>Ce sont alors les chiffres arabes dit occidentaux du Maghreb et d\u2019Andalousie qui demeurent les plus couramment utilis\u00e9s depuis leur \u00e9mergence au X\u00e8me si\u00e8cle.<\/p>\n<p><em><strong>Leonardo Fibonacci et l\u2019impact du Liber Abaci<\/strong><\/em><\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-27349\" src=\"https:\/\/jazairhope.org\/wp-content\/uploads\/2021\/08\/fibonacci-300x266-1.jpg\" alt=\"\" width=\"300\" height=\"266\" \/><\/p>\n<p><strong>Leonardo Pisano Fibonacci<\/strong><\/p>\n<p>Originaire de Pise en Italie, l\u2019\u00e9ducation du math\u00e9maticien Leonardo Fibonacci se fait en grande partie dans la ville de B\u00e9ja\u00efa dans l\u2019Est de l\u2019Alg\u00e9rie, o\u00f9 son p\u00e8re repr\u00e9sente des marchands de la r\u00e9publique de Pise, v\u00e9ritable comptoir commercial. B\u00e9ja\u00efa est \u00e0 l\u2019\u00e9poque une province prosp\u00e8re et autonome de l\u2019empire almohade et entretient d\u2019excellentes relations avec la R\u00e9publique de Pise.<\/p>\n<p>En 1202, apr\u00e8s des ann\u00e9es d\u2019\u00e9tudes \u00e0 B\u00e9ja\u00efa, le math\u00e9maticien publie le Liber Abaci (Le livre du calcul) traitant de syst\u00e8mes de num\u00e9rotation et de m\u00e9thodes de calcul. R\u00e9dig\u00e9e en partie de droite \u00e0 gauche, l\u2019oeuvre mobilise le savoir accumul\u00e9 lors de son exp\u00e9rience dans la ville au contact de math\u00e9maticiens arabes et permet une vulgarisation en Europe des chiffres arabes. La diffusion du syst\u00e8me de num\u00e9rotation par l\u2019entremise de l\u2019oeuvre co\u00efncide en effet durant la Renaissance au d\u00e9veloppement du commerce et des sciences.<\/p>\n<p>Aujourd\u2019hui largement adopt\u00e9s par une majorit\u00e9 d\u2019acteurs internationaux, l\u2019origine et la diffusion des chiffres arabes t\u00e9moignent de la richesse des \u00e9changes intellectuels entre le sous-continent indien, le Moyen-Orient, l\u2019Afrique du Nord ainsi que l\u2019Europe.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le math\u00e9maticien italien Leonardo Fibonacci originaire de Pise participa \u00e0 la diffusion active des chiffres arabes tels que transmis durant son \u00e9ducation&hellip;<\/p>\n","protected":false},"author":50,"featured_media":27356,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"video","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[32,37,42],"tags":[],"class_list":["post-27348","post","type-post","status-publish","format-video","has-post-thumbnail","hentry","category-algerie","category-education-fr","category-histoire-et-patrimoine","post_format-post-format-video"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>BEJAIA BOUGIE BGAYET, de FIBONACCI de PISA a SIDI ABDELKADER... : L\u2019aventure des chiffres arabes - AAH.JZR<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jazairhope.org\/fr\/bejaia-bougie-bgayet-de-fibonacci-de-pisa-a-sidi-abdelkader-laventure-des-chiffres-arabes\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"BEJAIA BOUGIE BGAYET, de FIBONACCI de PISA a SIDI ABDELKADER... : L\u2019aventure des chiffres arabes - AAH.JZR\" \/>\n<meta property=\"og:description\" content=\"Le math\u00e9maticien italien Leonardo Fibonacci originaire de Pise participa \u00e0 la diffusion active des chiffres arabes tels que transmis durant son \u00e9ducation&hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/jazairhope.org\/fr\/bejaia-bougie-bgayet-de-fibonacci-de-pisa-a-sidi-abdelkader-laventure-des-chiffres-arabes\/\" \/>\n<meta property=\"og:site_name\" content=\"AAH.JZR\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/jazairhope\" \/>\n<meta property=\"article:published_time\" content=\"2021-08-20T20:05:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/jazairhope.org\/wp-content\/uploads\/2021\/08\/maxresdefault-17.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Hope Jzr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Hope Jzr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/jazairhope.org\\\/fr\\\/bejaia-bougie-bgayet-de-fibonacci-de-pisa-a-sidi-abdelkader-laventure-des-chiffres-arabes\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/jazairhope.org\\\/fr\\\/bejaia-bougie-bgayet-de-fibonacci-de-pisa-a-sidi-abdelkader-laventure-des-chiffres-arabes\\\/\"},\"author\":{\"name\":\"Hope Jzr\",\"@id\":\"https:\\\/\\\/jazairhope.org\\\/fr\\\/#\\\/schema\\\/person\\\/0b50f60fad840cf92313307e38c9d20d\"},\"headline\":\"BEJAIA BOUGIE BGAYET, de FIBONACCI de PISA a SIDI ABDELKADER&#8230; 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