{"id":42,"date":"2011-05-15T12:00:37","date_gmt":"2011-05-15T12:00:37","guid":{"rendered":"http:\/\/www.sydneysmith.com\/wordpress\/?p=42"},"modified":"2017-05-14T01:02:15","modified_gmt":"2017-05-14T01:02:15","slug":"hp21","status":"publish","type":"post","link":"https:\/\/www.sydneysmith.com\/wordpress\/42\/hp21\/","title":{"rendered":"HP21 Calculator"},"content":{"rendered":"<p><a href=\"http:\/\/www.sydneysmith.com\/wordpress\/wp-content\/uploads\/2011\/05\/21.png\"><img loading=\"lazy\" src=\"http:\/\/www.sydneysmith.com\/wordpress\/wp-content\/uploads\/2011\/05\/21-162x300.png\" alt=\"\" title=\"HP21\" width=\"162\" height=\"300\" class=\"alignleft size-medium wp-image-43\" srcset=\"https:\/\/www.sydneysmith.com\/wordpress\/wp-content\/uploads\/2011\/05\/21-162x300.png 162w, https:\/\/www.sydneysmith.com\/wordpress\/wp-content\/uploads\/2011\/05\/21.png 259w\" sizes=\"(max-width: 162px) 100vw, 162px\" \/><\/a><\/p>\n<p>I never had a HP21; but a friend did &#8211; and I sure used it a lot.<\/p>\n<p>It was the first Hewlett Packard calculator I&#8217;d ever seen. It introduced me to the marvels of Reverse Polish Notation (RPN) and it is what set me on the path of owning my own HP calculators.<\/p>\n<p>You can: <a href=\"http:\/\/www.sydneysmith.com\/products\/1028193-hp21\/index.html\" onClick=\"ss_te(event,3)\">try it<\/a>, <a href=\"http:\/\/www.sydneysmith.com\/products\/1028193-hp21\/download\/gss-hp21.zip\" onClick=\"ss_te(event,4)\">download it<\/a> or <a href=\"http:\/\/www.sydneysmith.com\/products\/1028193-hp21\/app.html\" onClick=\"ss_te(event,5)\">install it<\/a> (as a html5 app).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I never had a HP21; but a friend did &#8211; and I sure used it a lot. It was the first Hewlett Packard calculator I&#8217;d ever seen. It introduced me to the marvels of Reverse Polish Notation (RPN) and it is what set me on the path of owning my own HP calculators. You can: &hellip; <a href=\"https:\/\/www.sydneysmith.com\/wordpress\/42\/hp21\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">HP21 Calculator<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[16,5,7],"tags":[31],"_links":{"self":[{"href":"https:\/\/www.sydneysmith.com\/wordpress\/wp-json\/wp\/v2\/posts\/42"}],"collection":[{"href":"https:\/\/www.sydneysmith.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sydneysmith.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sydneysmith.com\/wordpress\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sydneysmith.com\/wordpress\/wp-json\/wp\/v2\/comments?post=42"}],"version-history":[{"count":4,"href":"https:\/\/www.sydneysmith.com\/wordpress\/wp-json\/wp\/v2\/posts\/42\/revisions"}],"predecessor-version":[{"id":1549,"href":"https:\/\/www.sydneysmith.com\/wordpress\/wp-json\/wp\/v2\/posts\/42\/revisions\/1549"}],"wp:attachment":[{"href":"https:\/\/www.sydneysmith.com\/wordpress\/wp-json\/wp\/v2\/media?parent=42"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sydneysmith.com\/wordpress\/wp-json\/wp\/v2\/categories?post=42"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sydneysmith.com\/wordpress\/wp-json\/wp\/v2\/tags?post=42"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}