{"id":12806,"date":"2015-10-26T17:55:00","date_gmt":"2015-10-26T17:55:00","guid":{"rendered":"http:\/\/www.oracletutoring.ca\/blog\/?p=12806"},"modified":"2015-10-26T17:55:00","modified_gmt":"2015-10-26T17:55:00","slug":"calculator-usage-finding-the-derivative-with-the-sharp-el-520w","status":"publish","type":"post","link":"https:\/\/www.oracletutoring.ca\/blog\/calculator-usage-finding-the-derivative-with-the-sharp-el-520w\/","title":{"rendered":"Calculator usage:  finding the derivative with the Sharp EL-520W"},"content":{"rendered":"<h1>The tutor shares how to find the derivative with the Sharp EL-520W.<\/h1>\n<p>To my knowledge, the Sharp EL-520W won&#8217;t give the symbolic derivative.  Rather (as you&#8217;d likely expect anyway), it evaluates a function&#8217;s derivative at the x value the user provides.  For instance:<\/p>\n<p><strong>Example 1:  Find the value of the derivative of 5x<sup>3<\/sup> &#8211; 2x when x=7.<\/strong><\/p>\n<p>Solution:<\/p>\n<ol>\n<li>Press <span style=\"font-variant:small-caps\">ON\/C<\/span> to clear the calculator.<\/li>\n<li>Enter the function by keying <span style=\"font-family:monospace\">5 ALPHA RCL x<sup>3<\/sup> &#8211; 2 ALPHA RCL<\/span><\/li>\n<li>Key in <span style=\"font-family:monospace\">2ndF \u222bdx<\/span><\/li>\n<li>The calculator responds with <span style=\"font-family:monospace\">X?<\/span>  For this case, we key in 7, then = <\/li>\n<li>The calculator now asks the size of dx.  I just press = again.<\/li>\n<li>Hopefully <span style=\"font-family:monospace\">d\/dx= 733<\/span> appears.<\/li>\n<\/ol>\n<p>I think you&#8217;ll agree that calculating a derivative is easy with the SHARP EL-520W.<\/p>\n<p>Make sure, if you&#8217;re evaluating a trig derivative, you&#8217;re set to rads! (<span style=\"font-family:monospace\">2nd .<\/span> to change trig mode:)<\/p>\n<p>I&#8217;ll be expanding on this topic in future posts:)<\/p>\n<p>Source:<\/p>\n<p><u>Sharp Scientific Calculator Model EL-520W Operation Manual<\/u>.<\/p>\n<p>Jack of <a href=\"https:\/\/www.oracletutoring.ca\">Oracle Tutoring by Jack and Diane,<\/a> Campbell River, BC.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The tutor shares how to find the derivative with the Sharp EL-520W. To my knowledge, the Sharp EL-520W won&#8217;t give the symbolic derivative. Rather (as you&#8217;d likely expect anyway), it evaluates a function&#8217;s derivative at the x value the user &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"more-link\" href=\"https:\/\/www.oracletutoring.ca\/blog\/calculator-usage-finding-the-derivative-with-the-sharp-el-520w\/\"> <span class=\"screen-reader-text\">Calculator usage:  finding the derivative with the Sharp EL-520W<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[90,234,3],"tags":[1146,264],"class_list":["post-12806","post","type-post","status-publish","format-standard","hentry","category-calculator-usage","category-calculus","category-math","tag-derivative","tag-sharp-el-520w"],"_links":{"self":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/12806","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/comments?post=12806"}],"version-history":[{"count":16,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/12806\/revisions"}],"predecessor-version":[{"id":12822,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/12806\/revisions\/12822"}],"wp:attachment":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/media?parent=12806"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/categories?post=12806"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/tags?post=12806"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}