{"id":6883,"date":"2011-09-23T22:29:29","date_gmt":"2011-09-24T02:29:29","guid":{"rendered":"http:\/\/scruss.com\/blog\/?p=6883"},"modified":"2011-09-23T22:29:29","modified_gmt":"2011-09-24T02:29:29","slug":"futile-devices","status":"publish","type":"post","link":"https:\/\/scruss.com\/blog\/2011\/09\/23\/futile-devices\/","title":{"rendered":"Futile Devices"},"content":{"rendered":"<p>I was struck last week by the realization that I hadn&#8217;t done long division in decades. When the Casio FX (can&#8217;t remember which; it was small and solar) hit my life, the need to do long division vanished. So it&#8217;s probably around 30 years since I last had to do it.<\/p>\n<p>My first attempts to remember how were dismal. Then I remembered the whole bit about &#8220;bringing down the units&#8221;, and it all clicked. I made the following animation to show how I did it:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6884\" title=\"longdiv_anim\" src=\"http:\/\/scruss.com\/wordpress\/wp-content\/uploads\/2011\/09\/longdiv_anim.gif\" alt=\"\" width=\"521\" height=\"218\" srcset=\"https:\/\/scruss.com\/wordpress\/wp-content\/uploads\/2011\/09\/longdiv_anim.gif 521w, https:\/\/scruss.com\/wordpress\/wp-content\/uploads\/2011\/09\/longdiv_anim-160x66.gif 160w, https:\/\/scruss.com\/wordpress\/wp-content\/uploads\/2011\/09\/longdiv_anim-320x133.gif 320w, https:\/\/scruss.com\/wordpress\/wp-content\/uploads\/2011\/09\/longdiv_anim-500x209.gif 500w\" sizes=\"auto, (max-width: 521px) 100vw, 521px\" \/>This might be a slightly odd way of doing it, but it&#8217;s the way we were taught.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I was struck last week by the realization that I hadn&#8217;t done long division in decades. When the Casio FX (can&#8217;t remember which; it was small and solar) hit my life, the need to do long division vanished. So it&#8217;s probably around 30 years since I last had to do it. My first attempts to [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[2],"tags":[901,2379,2067,2380],"class_list":["post-6883","post","type-post","status-publish","format-standard","hentry","category-goatee-stroking-musing-or-something","tag-animation","tag-long_division","tag-manual","tag-maths"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pQNZZ-1N1","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/posts\/6883","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/comments?post=6883"}],"version-history":[{"count":3,"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/posts\/6883\/revisions"}],"predecessor-version":[{"id":6887,"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/posts\/6883\/revisions\/6887"}],"wp:attachment":[{"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/media?parent=6883"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/categories?post=6883"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/tags?post=6883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}