{"id":5610,"date":"2013-10-07T23:16:18","date_gmt":"2013-10-07T23:16:18","guid":{"rendered":"http:\/\/www.techiteens.com\/review\/the-first-transistor-calculator\/"},"modified":"2013-10-07T23:16:18","modified_gmt":"2013-10-07T23:16:18","slug":"the-first-transistor-calculator","status":"publish","type":"post","link":"https:\/\/www.techiteens.com\/review\/the-first-transistor-calculator\/","title":{"rendered":"The First Transistor Calculator"},"content":{"rendered":"<div id=\"post-2263\">\n<div class=\"format_text entry-content\">\n<p><a href=\"http:\/\/redirect.viglink.com?key=11fe087258b6fc0532a5ccfc924805c0&#038;u=http%3A%2F%2Fthisdayintechhistory.com%2Fwp-content%2Fuploads%2F2012%2F10%2Fibm_604.jpg\" rel=\"lightbox[2263]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-2264\" title=\"IBM 604 Calculator\" alt=\"IBM 604 Calculator\" src=\"http:\/\/www.techiteens.com\/review\/wp-content\/uploads\/2013\/10\/25288__ibm_604-300x217.jpg\" width=\"300\" height=\"217\" \/><\/a>October 7, 1954<\/p>\n<p>IBM researchers modify an existing <a href=\"http:\/\/redirect.viglink.com?key=11fe087258b6fc0532a5ccfc924805c0&#038;u=http%3A%2F%2Fen.wikipedia.org%2Fwiki%2FIBM_604\" target=\"_blank\">model 604<\/a> vacuum tube calculator to use transistors. This experiment didn\u2019t shrink the desk-sized machine nor make it any faster, but it did use only 5% of the power the vacuum tube-based design did. Encouraged by this successful experiment, IBM introduced the first commercial transistor calculator 4 years later, the <a href=\"http:\/\/redirect.viglink.com?key=11fe087258b6fc0532a5ccfc924805c0&#038;u=http%3A%2F%2Fen.wikipedia.org%2Fwiki%2FIBM_608\" target=\"_blank\">model 608<\/a>.<\/p>\n<\/div>\n<\/div>\n<div>\n<p>Previous post: <a href=\"http:\/\/redirect.viglink.com?key=11fe087258b6fc0532a5ccfc924805c0&#038;u=http%3A%2F%2Fthisdayintechhistory.com%2F10%2F06%2Fphotocopying-patented%2F\" rel=\"prev\">Photocopying Patented<\/a><\/p>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.techiteens.com\/review\/wp-content\/uploads\/2013\/10\/25288__p-89EKCgBk8MZdE.gif\" border=\"0\" height=\"1\" width=\"1\" \/><br \/>\n<a rel=\"nofollow\" href=\"http:\/\/thisdayintechhistory.com\/10\/07\/the-first-transistor-calculator\/\">This Day in Tech History<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>October 7, 1954 IBM researchers modify an existing model 604 vacuum tube calculator to use transistors. This experiment didn\u2019t shrink the desk-sized machine nor make it any faster, but it did use only 5% of the power the vacuum tube-based design did. Encouraged by this successful experiment, IBM introduced the first commercial transistor calculator 4 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"footnotes":""},"categories":[194],"tags":[2267,399,2209],"class_list":["post-5610","post","type-post","status-publish","format-standard","hentry","category-today-in-tech","tag-calculator","tag-first","tag-transistor"],"_links":{"self":[{"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/posts\/5610"}],"collection":[{"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/comments?post=5610"}],"version-history":[{"count":0,"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/posts\/5610\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/media?parent=5610"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/categories?post=5610"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techiteens.com\/review\/wp-json\/wp\/v2\/tags?post=5610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}