Javier

It is good news to know you are working on it. But IMHO it is not what we were asking for. What you are implementing is just a point system that allows you to get the mastery through exams and vide...

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2. News and Updates from Khan Academy
3. Update: New Mastery System

There is a link in the top of the page that says "Report a problem" but let you to submit a request. Below you have a link, perhaps if we try using that via we´ll get a positive result. https://kha...

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2. Content Requests and Feedback
3. All Exercises Mission

Totally agree with you. Edit: there is a link in the top of the page that says "Report a problem" but let you to submit a request. Below you have a link, perhaps if we try using that via we´ll get ...

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2. Content Requests and Feedback
3. Missions and applied math

I implore too.... Edit: there is a link in the top of the page that says "Report a problem" but let you to submit a request. Below you have a link, perhaps if we try using that via we´ll get a posi...

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2. Content Requests and Feedback
3. Physics problems

Totally agree, as I wrote somewhere else: I have studied differential calculus using mission feature and it has been one of the best experiences in my live. Now I turn into physics and I find a lot...

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2. Content Requests and Feedback
3. When will the Mission format used in Math be applied to other subjects?