{"action":"closed","issue":{"url":"https://api.github.com/repos/Khan/khan-exercises/issues/158924","labels_url":"https://api.github.com/repos/Khan/khan-exercises/issues/158924/labels{/name}","comments_url":"https://api.github.com/repos/Khan/khan-exercises/issues/158924/comments","events_url":"https://api.github.com/repos/Khan/khan-exercises/issues/158924/events","html_url":"https://github.com/Khan/khan-exercises/issues/158924","id":25410259,"number":158924,"title":"Subtraction with borrowing - app","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/other","name":"other","color":"e10c02"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/safari","name":"safari","color":"e102d8"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/scratchpad","name":"scratchpad","color":"DDDDDD"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2014-01-10T17:42:31Z","updated_at":"2015-11-18T02:56:48Z","closed_at":"2015-11-18T02:56:48Z","body":"I'm using my kindle fire hd to do school work and it doesn't not want to cooperate. Do you provide a Amazon app for Khan Academy? You would probably have now users. I just wanted bring this to mind. Thanks:)\n\nAbigail 13\n\n[subtraction_3.html?seed=187&problem=0](http://sandcastle.kasandbox.org/media/castles/Khan:master/exercises/subtraction_3.html?seed=187&problem=0&debug&lang=en)\n\n[Answer timeline](http://sandcastle.kasandbox.org/media/castles/Khan:master/exercises/subtraction_3.html?seed=187&problem=0&debug&lang=en&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22668%5C%22%22%2C117%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%5D)\n\n    [\"668\"]\n\nLocale: en\n\nUser hash: 1783453512\n\nMozilla/5.0 (Linux; U; en-ca; KFTT Build/IML74K) AppleWebKit/535.19 (KHTML, like Gecko) Silk/3.8 Safari/535.19 Silk-Accelerated=true\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\nstartTask...\nstartTask got task undefined\nloadScript loaded /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadExercise start area_1.html\nloading and rendering subtraction_3\nloadExercise start subtraction_3.html\nloadExercise got area_1.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 graphie-geometry\nloadModule mod /khan-exercises/utils/graphie-geometry.js\nloadModule mod /khan-exercises/utils/kmatrix.js\nloadModule mod /khan-exercises/utils/expressions.js\nloadModule mod /khan-exercises/utils/kline.js\nloadExercise submod word-problems\nloadModule mod /khan-exercises/utils/word-problems.js\nloadExercise submod interactive\nloadModule mod /khan-exercises/utils/interactive.js\nloadModule mod /khan-exercises/utils/../third_party/jquery.mobile.vmouse.js\nloadExercise submod subhints\nloadModule mod /khan-exercises/utils/subhints.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 got subtraction_3.html\nloadExercise submod math\nloadExercise submod graphie\nloadExercise submod graphie-helpers-arithmetic\nloadModule mod /khan-exercises/utils/graphie-helpers-arithmetic.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 area_1.html\nloadExercise finish subtraction_3.html\nloaded subtraction_3, now rendering\nstart of makeProblem\nchose problem type and seed for subtraction_3\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(graphie-helpers-arithmeticLoad not a fn; src undefined)\ndone with runModules Load\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(graphie-helpers-arithmetic not a fn; src undefined)\ndone with runModules\ndecided on answer type number\nvalidator created\nMathJax done typesetting (\\LARGE{9})\nMathJax done typesetting (\\LARGE{5})\nMathJax done typesetting (\\LARGE{8})\nMathJax done typesetting (\\LARGE{7})\nMathJax done typesetting (\\LARGE{9})\nMathJax done typesetting (\\LARGE{0})\nMathJax done typesetting (\\LARGE{-\\vphantom{0}})\nloadModule mod /khan-exercises/utils/scratchpad.js\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\nMathJax done typesetting (\\LARGE{\\color{#6495ED}{8}})\nMathJax done typesetting (\\LARGE{\\color{#6495ED}{0}})\nMathJax done typesetting (\\LARGE{8})\nMathJax done typesetting (\\LARGE{\\color{#28AE7B}{8}})\nMathJax done typesetting (\\Large{\\color{#6495ED}{8} - \\color{#6495ED}{0} = \\color{#28AE7B}{8}})\nran graphie\n(kpoint not a fn; src undefined)\n(kvector not a fn; src undefined)\n(graphie-helpers-arithmetic 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\nMathJax done typesetting (\\color{#6495ED}{15})\nMathJax done typesetting (\\color{#FFA500}{8})\nMathJax done typesetting (\\LARGE{\\color{#6495ED}{9}})\nMathJax done typesetting (\\LARGE{6})\nMathJax done typesetting (\\LARGE{\\color{#28AE7B}{6}})\nMathJax done typesetting (\\Large{\\color{#6495ED}{15} - \\color{#6495ED}{9} = \\color{#28AE7B}{6}})\nran graphie\n(kpoint not a fn; src undefined)\n(kvector not a fn; src undefined)\n(graphie-helpers-arithmetic 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\nMathJax done typesetting (\\color{#6495ED}{8})\nMathJax done typesetting (\\LARGE{\\color{#6495ED}{7}})\nMathJax done typesetting (\\LARGE{1})\nMathJax done typesetting (\\LARGE{\\color{#28AE7B}{1}})\nMathJax done typesetting (\\Large{\\color{#6495ED}{8} - \\color{#6495ED}{7} = \\color{#28AE7B}{1}})\nran graphie\n(kpoint not a fn; src undefined)\n(kvector not a fn; src undefined)\n(graphie-helpers-arithmetic not a fn; src undefined)"}}