{"id":709,"date":"2014-11-14T17:27:26","date_gmt":"2014-11-14T17:27:26","guid":{"rendered":"http:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/?p=709"},"modified":"2025-11-04T16:50:59","modified_gmt":"2025-11-04T16:50:59","slug":"texas-instruments-ti-2500-datamath","status":"publish","type":"post","link":"https:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/?p=709","title":{"rendered":"TEXAS-INSTRUMENTS TI-2500 Datamath"},"content":{"rendered":"<p style=\"text-align: justify;\"><a href=\"http:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/wp-content\/uploads\/2014\/10\/TI2500.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-548 \" src=\"http:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/wp-content\/uploads\/2014\/10\/TI2500-670x1024.jpg\" alt=\"TI2500\" width=\"410\" height=\"627\" srcset=\"https:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/wp-content\/uploads\/2014\/10\/TI2500-670x1024.jpg 670w, https:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/wp-content\/uploads\/2014\/10\/TI2500-196x300.jpg 196w, https:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/wp-content\/uploads\/2014\/10\/TI2500.jpg 1048w\" sizes=\"auto, (max-width: 410px) 100vw, 410px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\">La tr\u00e8s ancienne <em>Datamath<\/em> (la premi\u00e8re de <em>Texas-Instruments<\/em>, produite en 1972) n&rsquo;\u00e9tait pas une minuscule calculatrice. Ses dimensions, notamment l&rsquo;\u00e9paisseur, sont importantes.<\/p>\n<p style=\"text-align: justify;\">Il en existe de nombreuses versions, plus ou moins rares ou pr\u00e9cieuses.<\/p>\n<p style=\"text-align: justify;\">Ci-dessous une <em>Datamath<\/em> compar\u00e9e \u00e0 une <em>TI-SR40<\/em>.<\/p>\n<p style=\"text-align: justify;\"><a href=\"http:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/wp-content\/uploads\/2014\/10\/TI-DATAMATH-II-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-553 size-full\" src=\"http:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/wp-content\/uploads\/2014\/10\/TI-DATAMATH-II-1.jpg\" alt=\"TI-DATAMATH-II-1\" width=\"300\" height=\"225\" \/><\/a><a href=\"http:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/wp-content\/uploads\/2014\/10\/TI-DATAMATH-II-3.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-555 size-full\" src=\"http:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/wp-content\/uploads\/2014\/10\/TI-DATAMATH-II-3.jpg\" alt=\"TI-DATAMATH-II-3\" width=\"300\" height=\"225\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La tr\u00e8s ancienne Datamath (la premi\u00e8re de Texas-Instruments, produite en 1972) n&rsquo;\u00e9tait pas une minuscule calculatrice. Ses dimensions, notamment l&rsquo;\u00e9paisseur, sont importantes. Il en existe de nombreuses versions, plus ou moins rares ou pr\u00e9cieuses. Ci-dessous une Datamath compar\u00e9e \u00e0 une TI-SR40.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,13],"tags":[],"class_list":["post-709","post","type-post","status-publish","format-standard","hentry","category-machines-antiques","category-texas-instruments"],"_links":{"self":[{"href":"https:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/index.php?rest_route=\/wp\/v2\/posts\/709","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=709"}],"version-history":[{"count":7,"href":"https:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/index.php?rest_route=\/wp\/v2\/posts\/709\/revisions"}],"predecessor-version":[{"id":8710,"href":"https:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/index.php?rest_route=\/wp\/v2\/posts\/709\/revisions\/8710"}],"wp:attachment":[{"href":"https:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/le-rayon-des-calculatrices.fr\/WordPress3\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}