Khan/khan-exercises on Hacker News

We've open-sourced several other mostly-KA-specific parts of the site, including these: https://github.com/Khan/khan-exercises https://github.com/Khan/perseus https://github.com/Khan/live-editor Contributions are few and far between; good…

comment by spicyj · 2016-04-07 · in MathML is a failed web standard

…write a React wrapper around much of this code which is used by newer interactive widgets [2]. [1]: https://github.com/Khan/khan-exercises/blob/master/utils/gra... [2]: https://github.com/Khan/perseus/blob/master/src/components/g...

comment by ariabuckles · 2015-10-21 · in Khan Academy's React style guide

…is a very well done django app. More feedback when the demo starts working again :) _________ [1] https://github.com/Khan/khan-exercises [2] https://github.com/jamalex/ka-lite/

comment by ivan_ah · 2013-03-21 · in Terascore (YC W13) launches to help teachers bring testing online

Unfortunately, I found that 5 minute fork doesn't initialize git submodules for https://github.com/Khan/khan-exercises . :(

comment by cbhl · 2013-03-18 · in 5 minute fork

…dealing with things like our data/analytics, but our open source repos are very volunteer-friendly: https://github.com/khan/khan-exercises

comment by kamens · 2013-03-01 · in Ask HN: Who is hiring? (March 2013)

…thing to have. Check out how khan-exercises framework uses to parse math expressions into an AST: https://github.com/Khan/khan-exercises/blob/master/utils/mat...

comment by ivan_ah · 2013-02-23 · in How To Write A Calculator in 70 Python Lines

…per day (over 950mm total so far), all generated by our open source exercise generation framework ( https://github.com/Khan/khan-exercises ), and our videos (now from a variety of authors including Sal) have been viewed over 220mm times.…

comment by spicyj · 2013-02-01 · in Ask HN: Who is hiring? (February 2013)

…per day (over 900mm total so far), all generated by our open source exercise generation framework ( https://github.com/Khan/khan-exercises ), and our videos (now from a variety of authors including Sal) have been viewed over 220mm times.…

comment by spicyj · 2013-01-01 · in Ask HN: Who is hiring? (January 2013)

…per day (over 800mm total so far), all generated by our open source exercise generation framework ( https://github.com/Khan/khan-exercises ), and our videos (now from a variety of authors including Sal) have been viewed over 200mm times.…

comment by beekay · 2012-12-01 · in Ask HN: Who is hiring? (December 2012)

…per day (over 800mm total so far), all generated by our open source exercise generation framework ( https://github.com/Khan/khan-exercises ), and our videos (now from a variety of authors including Sal) have been viewed over 200mm times.…

comment by spicyj · 2012-11-01 · in Ask HN: Who Is Hiring? (November 2012)

…per day (over 700mm total so far), all generated by our open source exercise generation framework ( https://github.com/Khan/khan-exercises ), and our videos (now from a variety of authors including Sal) have been viewed over 190mm times.…

comment by spicyj · 2012-10-01 · in Ask HN: Who Is Hiring? (October 2012)

…per day (over 600M total so far), all generated by our open source exercise generation framework ( http://github.com/khan/khan-exercises ), and our videos (now from a variety of authors including Sal) have been viewed over 180MM times.…

comment by spicyj · 2012-09-01 · in Ask HN: Who Is Hiring? (September 2012)

…someone provide links with more details, i.e. what was closed, this still appears pretty open: https://github.com/khan/khan-exercises

comment by schrijver · 2012-08-14 · in John Resig: Redefining the Introduction to Computer Science at Khan Academy

…per day (over 600M total so far), all generated by our open source exercise generation framework ( http://github.com/khan/khan-exercises ), and our videos (now from a variety of authors including Sal) have been viewed over 145MM times.…

comment by spicyj · 2012-08-01 · in Ask HN: Who Is Hiring? (August 2012)

…per day (over 500M total so far), all generated by our open source exercise generation framework ( http://github.com/khan/khan-exercises ), and our videos (now from a variety of authors including Sal) have been viewed over 145MM times.…

comment by kamens · 2012-05-01 · in Ask HN: Who Is Hiring? (May 2012)

…math exercise problems per day, all generated by our open source exercise generation framework ( http://github.com/khan/khan-exercises , http://ejohn.org/blog/khan-exercise-rewrite/ ), and Sal's videos have been viewed over 125 million…

comment by spicyj · 2012-03-01 · in Ask HN: Who is Hiring? (March 2012)

…math exercise problems per day, all generated by our open source exercise generation framework ( http://github.com/khan/khan-exercises , http://ejohn.org/blog/khan-exercise-rewrite/ ), and Sal's videos have been viewed over 117 million…

comment by spicyj · 2012-02-22 · in Ask HN: Who's hiring interns this Summer 2012?

…math exercise problems per day, all generated by our open source exercise generation framework ( http://github.com/khan/khan-exercises , http://ejohn.org/blog/khan-exercise-rewrite/ ), and Sal's videos have been viewed over 117 million…

comment by spicyj · 2012-02-13 · in Who is hiring? (Intern Edition)

…math exercise problems per day, all generated by our open source exercise generation framework ( http://github.com/khan/khan-exercises , http://ejohn.org/blog/khan-exercise-rewrite/ ), and Sal's videos have been viewed over 117 million…

comment by spicyj · 2012-02-09 · in Craig Silverstein, Google Employee #1, Leaving for Khan Academy

Why wait? :) https://github.com/Khan/khan-exercises/wiki

comment by beneater · 2012-02-06 · in I Want to Work for Khan

…math exercise problems per day, all generated by our open source exercise generation framework ( http://github.com/khan/khan-exercises , http://ejohn.org/blog/khan-exercise-rewrite/ ), and Sal's videos have been viewed over 117 million…

comment by marcia · 2012-02-01 · in Ask HN: Who is Hiring? (February 2012)

…math exercise problems per day, all generated by our open source exercise generation framework ( http://github.com/khan/khan-exercises , http://ejohn.org/blog/khan-exercise-rewrite/ ), and Sal's videos have been viewed over 99 million…

comment by dmnd · 2012-01-01 · in Ask HN: Who is Hiring? (January 2012)

…for something less formal, here's information about volunteering and helping to make exercises: https://github.com/Khan/khan-exercises/wiki/Getting-Involved

comment by spicyj · 2011-12-28 · in Salman Khan of Khan Academy AMA on reddit

…math exercise problems per day, all generated by our open source exercise generation framework ( http://github.com/khan/khan-exercises , http://ejohn.org/blog/khan-exercise-rewrite/ ) and Sal's videos have been viewed over 99 million…

comment by spicyj · 2011-12-28 · in Salman Khan of Khan Academy AMA on reddit

Yeah just go here and go nuts: https://github.com/khan/khan-exercises

comment by zackzackzack · 2011-12-24 · in Tell HN: I'll donate 4 hrs tomorrow to a charitable project, continue in 2012

…math exercise problems per day, all generated by our open source exercise generation framework ( http://github.com/khan/khan-exercises , http://ejohn.org/blog/khan-exercise-rewrite/ ), and Sal's videos have been viewed over 99 million…

comment by marcia · 2011-12-01 · in Ask HN: Who is Hiring? (December 2011)

…math exercise problems per day, all generated by our open source exercise generation framework ( http://github.com/khan/khan-exercises , http://ejohn.org/blog/khan-exercise-rewrite/ ), and Sal's videos have been viewed over 88MM times.…

comment by kamens · 2011-11-01 · in Ask HN: Who is Hiring? (November 2011)

…right now, helping out Khan Academy by contributing exercises. The whole thing is open source: http://github.com/khan/khan-exercises We've had people who claim to have never been professional programmers come in and create impressive…

comment by kamens · 2011-10-24 · in In College, Working Hard to Learn High School Material

…math exercise problems per day, all generated by our open source exercise generation framework ( http://github.com/khan/khan-exercises , http://ejohn.org/blog/khan-exercise-rewrite/ ), and Sal's videos have been viewed over 78MM times.…

comment by dmnd · 2011-10-01 · in Ask HN: Who is Hiring? (October 2011)

…math exercise problems per day, all generated by our open source exercise generation framework ( http://github.com/khan/khan-exercises , http://ejohn.org/blog/khan-exercise-rewrite/ ), and Sal's videos have been viewed over 74MM times.…

comment by kamens · 2011-09-01 · in Ask HN: Who is Hiring? (September 2011)

…we've made it to add new exercises; if you're interested in contributing, please fork the code at https://github.com/khan/khan-exercises . We're working as fast as we can to fix any bugs that pop up, so we'd appreciate reporting any issues…

comment by rubergly · 2011-07-28 · in New Khan Academy Exercise Framework Is Live

…Yuck! There is no god. John will personally gut punch whoever thought this was a good API design. https://github.com/Khan/khan-exercises/blob/master/khan-exer... :)

comment by solutionyogi · 2011-07-28 · in New Khan Academy Exercise Framework Is Live

I had just filed a bug about that: https://github.com/Khan/khan-exercises/issues/377 We'll fix it this week.

comment by spicyj · 2011-07-24 · in Khan Academy exercise framework

…in contributing towards the new framework or helping our beta testing efforts, please check out https://github.com/Khan/khan-exercises/wiki/Getting-Involved (if you're interested in helping out our beta, look for the hipchat room on the…

comment by rubergly · 2011-07-23 · in Khan Academy exercise framework

▲ 77

Khan Academy exercise framework

story by neovive · 2011-07-23 · 18 comments

…I'd encourage everyone reading this with an afternoon to spare to try writing an exercise for KA. https://github.com/Khan/khan-exercises

comment by OneWhoFrogs · 2011-07-13 · in Early look into Khan Academy iPad app

…in documentation, searching for bugs, or doing usability testing? You're cordially invited. [1]: https://github.com/Khan/khan-exercises

comment by shii · 2011-06-22 · in John Resig Discusses jQuery and Decision to Join Khan Academy