{"action":"closed","issue":{"url":"https://api.github.com/repos/Khan/khan-exercises/issues/160610","labels_url":"https://api.github.com/repos/Khan/khan-exercises/issues/160610/labels{/name}","comments_url":"https://api.github.com/repos/Khan/khan-exercises/issues/160610/comments","events_url":"https://api.github.com/repos/Khan/khan-exercises/issues/160610/events","html_url":"https://github.com/Khan/khan-exercises/issues/160610","id":25613083,"number":160610,"title":"Trigonometry 0.5 - Quiz doesn't accept decimals","user":{"login":"KhanBugz","id":924247,"avatar_url":"https://avatars.githubusercontent.com/u/924247?v=3","gravatar_id":"","url":"https://api.github.com/users/KhanBugz","html_url":"https://github.com/KhanBugz","followers_url":"https://api.github.com/users/KhanBugz/followers","following_url":"https://api.github.com/users/KhanBugz/following{/other_user}","gists_url":"https://api.github.com/users/KhanBugz/gists{/gist_id}","starred_url":"https://api.github.com/users/KhanBugz/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/KhanBugz/subscriptions","organizations_url":"https://api.github.com/users/KhanBugz/orgs","repos_url":"https://api.github.com/users/KhanBugz/repos","events_url":"https://api.github.com/users/KhanBugz/events{/privacy}","received_events_url":"https://api.github.com/users/KhanBugz/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/500k","name":"500k","color":"0052cc"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/firefox","name":"firefox","color":"e102d8"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/other","name":"other","color":"e10c02"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2014-01-14T23:02:06Z","updated_at":"2015-11-17T02:01:25Z","closed_at":"2015-11-17T02:01:25Z","body":"I entered 2.4 because I was to lazy to write 12/5 and it said it was wrong. I consulted the list of acceptable formats and indeed decimals aren't allowed. Sometimes it is easier to write decimal instead of fraction so I don't understand why it shouldn't be allowed.\n\n[trigonometry_0.5.html?seed=50&problem=tanTrig1](http://sandcastle.kasandbox.org/media/castles/Khan:master/exercises/trigonometry_0.5.html?seed=50&problem=tanTrig1&debug&lang=en)\n\n[Answer timeline](http://sandcastle.kasandbox.org/media/castles/Khan:master/exercises/trigonometry_0.5.html?seed=50&problem=tanTrig1&debug&lang=en&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%222.4%5C%22%22%2C13%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2210%2F24%5C%22%22%2C40%5D%2C%5B%22incorrect-activity%22%2C%22%5C%222.4%5C%22%22%2C6%5D%2C%5B%22incorrect-activity%22%2C%22%5C%225%2F12%5C%22%22%2C16%5D%2C%5B%22correct-activity%22%2C%22%5C%2212%2F5%5C%22%22%2C4%5D%2C%5B%22hint-activity%22%2C%220%22%2C272%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%5D)\n\n    [\"2.4\",\"10/24\",\"2.4\",\"5/12\",\"12/5\"]\n\nLocale: en\n\nUser hash: 1492406144\n\nMozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:26.0) Gecko/20100101 Firefox/26.0\n\nMathJax is loaded, ready, queue length: 0\n\n\n\nstart of log\nloadModule mod /khan-exercises/utils/answer-types.js\nloadModule mod /khan-exercises/utils/tmpl.js\nloadModule mod /khan-exercises/utils/tex.js\nloadModule mod /khan-exercises/utils/jquery.adhesion.js\nloadModule mod /khan-exercises/utils/calculator.js\nloadModule mod /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadScript loading /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadScript loaded /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nstartTask...\nstartTask got task trigonometry_0.5\nrenderExerciseTask trigonometry_0.5\nloading and rendering trigonometry_0.5\nloadExercise start trigonometry_0.5.html\nloadExercise got trigonometry_0.5.html\nloadExercise submod math\nloadModule mod /khan-exercises/utils/math.js\nloadModule mod /khan-exercises/utils/../third_party/raphael.js\nloadModule mod /khan-exercises/utils/knumber.js\nloadExercise submod graphie\nloadModule mod /khan-exercises/utils/graphie.js\nloadModule mod /khan-exercises/utils/kpoint.js\nloadModule mod /khan-exercises/utils/kvector.js\nloadExercise submod math-format\nloadModule mod /khan-exercises/utils/math-format.js\nloadModule mod /khan-exercises/utils/expressions.js\nloadExercise submod answer-types\nloadExercise submod tmpl\nloadExercise submod tex\nloadExercise submod jquery.adhesion\nloadExercise submod calculator\nloadExercise submod /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadExercise finish trigonometry_0.5.html\nloaded trigonometry_0.5, now rendering\nstart of makeProblem\nchose problem type and seed for trigonometry_0.5\ncloned problem\ncloned global elements\nran tmplApply to vars and main elements\nran tmplApply to [id]\nremoved hints from DOM\nevaled inline scripts\nadded inline styles\n(answer-typesLoad not a fn; src undefined)\nrunning tmplLoad\nran tmplLoad\n(texLoad not a fn; src undefined)\n(jquery.adhesionLoad not a fn; src undefined)\n(calculatorLoad not a fn; src undefined)\nrunning mathLoad\nran mathLoad\n(../third_party/raphaelLoad not a fn; src undefined)\n(knumberLoad not a fn; src undefined)\nrunning graphieLoad\nran graphieLoad\nrunning kpointLoad\nran kpointLoad\nrunning kvectorLoad\nran kvectorLoad\n(math-formatLoad not a fn; src undefined)\n(expressionsLoad not a fn; src undefined)\ndone with runModules Load\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nMathJax done typesetting (\\overline{AC})\nMathJax done typesetting (\\overline{BC})\nMathJax done typesetting (\\overline{AB})\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(knumber not a fn; src undefined)\nrunning graphie\nran graphie\n(kpoint not a fn; src undefined)\n(kvector not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\ndone with runModules\ndecided on answer type rational\nvalidator created\nloading and rendering trigonometry_0.5\nloaded trigonometry_0.5, now rendering\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(knumberCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kpointCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(knumberCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kpointCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\nstart of makeProblem\nchose problem type and seed for trigonometry_0.5\ncloned problem\ncloned global elements\nran tmplApply to vars and main elements\nran tmplApply to [id]\nremoved hints from DOM\nevaled inline scripts\nadded inline styles\n(answer-typesLoad not a fn; src undefined)\nrunning tmplLoad\nran tmplLoad\n(texLoad not a fn; src undefined)\n(jquery.adhesionLoad not a fn; src undefined)\n(calculatorLoad not a fn; src undefined)\nrunning mathLoad\nran mathLoad\n(../third_party/raphaelLoad not a fn; src undefined)\n(knumberLoad not a fn; src undefined)\nrunning graphieLoad\nran graphieLoad\nrunning kpointLoad\nran kpointLoad\nrunning kvectorLoad\nran kvectorLoad\n(math-formatLoad not a fn; src undefined)\n(expressionsLoad not a fn; src undefined)\ndone with runModules Load\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nMathJax done typesetting (\\overline{AC})\nMathJax done typesetting (\\overline{BC})\nMathJax done typesetting (\\overline{AB})\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(knumber not a fn; src undefined)\nrunning graphie\nran graphie\n(kpoint not a fn; src undefined)\n(kvector not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\ndone with runModules\ndecided on answer type rational\nvalidator created\nloading and rendering trigonometry_0.5\nloaded trigonometry_0.5, now rendering\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(knumberCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kpointCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(knumberCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kpointCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\nstart of makeProblem\nchose problem type and seed for trigonometry_0.5\ncloned problem\ncloned global elements\nran tmplApply to vars and main elements\nran tmplApply to [id]\nremoved hints from DOM\nevaled inline scripts\nadded inline styles\n(answer-typesLoad not a fn; src undefined)\nrunning tmplLoad\nran tmplLoad\n(texLoad not a fn; src undefined)\n(jquery.adhesionLoad not a fn; src undefined)\n(calculatorLoad not a fn; src undefined)\nrunning mathLoad\nran mathLoad\n(../third_party/raphaelLoad not a fn; src undefined)\n(knumberLoad not a fn; src undefined)\nrunning graphieLoad\nran graphieLoad\nrunning kpointLoad\nran kpointLoad\nrunning kvectorLoad\nran kvectorLoad\n(math-formatLoad not a fn; src undefined)\n(expressionsLoad not a fn; src undefined)\ndone with runModules Load\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nMathJax done typesetting (\\overline{AC})\nMathJax done typesetting (\\overline{BC})\nMathJax done typesetting (\\overline{AB})\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(knumber not a fn; src undefined)\nrunning graphie\nran graphie\n(kpoint not a fn; src undefined)\n(kvector not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\ndone with runModules\ndecided on answer type rational\nvalidator created\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(knumber not a fn; src undefined)\nrunning graphie\nran graphie\n(kpoint not a fn; src undefined)\n(kvector not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(knumber not a fn; src undefined)\nrunning graphie\nran graphie\n(kpoint not a fn; src undefined)\n(kvector not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(knumber not a fn; src undefined)\nrunning graphie\nran graphie\n(kpoint not a fn; src undefined)\n(kvector not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(knumber not a fn; src undefined)\nrunning graphie\nran graphie\n(kpoint not a fn; src undefined)\n(kvector not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(knumber not a fn; src undefined)\nrunning graphie\nran graphie\n(kpoint not a fn; src undefined)\n(kvector not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(knumber not a fn; src undefined)\nrunning graphie\nran graphie\n(kpoint not a fn; src undefined)\n(kvector not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nMathJax done typesetting (= \\overline{AC} = 24)\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(knumber not a fn; src undefined)\nrunning graphie\nran graphie\n(kpoint not a fn; src undefined)\n(kvector not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nMathJax done typesetting (= \\overline{BC} = 10)\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(knumber not a fn; src undefined)\nrunning graphie\nran graphie\n(kpoint not a fn; src undefined)\n(kvector not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(knumber not a fn; src undefined)\nrunning graphie\nran graphie\n(kpoint not a fn; src undefined)\n(kvector not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)"}}