Kai Burghardt

Are you referring to the Trig identity reference article of the Precalculus course? Please include a link in the future. Frankly, in the Calculus courses I just used the identities without understa...

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2. Study Group
3. Trig Identity Reference

Well, I want to be fair and respectful. I recognize that Khan Academy provides educational materials free of charge thus it is unfair to demand anything without giving in return (unless you happen ...

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2. Content Requests and Feedback
3. Khan Academy, please FIX confusing mistakes in videos

Yeah, I can confirm that both the YT 𝚒𝚏𝚛𝚊𝚖𝚎 “full player” as well as the 𝚟𝚒𝚍𝚎𝚘 “fallback player” do not show the correction in full screen mode. That’s disappointing. Meanwhile you can force‐load a...

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2. Content Requests and Feedback
3. Khan Academy, please FIX confusing mistakes in videos

You can learn from making mistakes. I actually like that KA shows that teachers are not infallible Übermenschen and admit their mistakes. You lead by example: my in‑person classes sometimes start w...

1. Communauté
2. Content Requests and Feedback
3. Khan Academy, please FIX confusing mistakes in videos

I would also appreciate if the text window kept scrolling so the last output is always visible. I’m afraid using this method smooth animations are not feasible, though. As of 2026 Khan Academy uses...

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2. Feature Requests and General Site Feedback
3. Python Terminal Interaction

Are you age 13 or older? Note that an edit filter prohibits bad words, internet addresses, email addresses, and more. Unfortunately you do not get an error message explaining the reason, it just do...

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2. Feature Requests and General Site Feedback
3. BIO

MDabney, the example in your opening post – as you realized – does not really require a calculator. Dividing by −0.5 is equivalent to ÷ −½ is equivalent to × −2 (division is multiplication by recip...

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3. Calculator in Check Your Understanding sections

As far as I recall Mahesh and others do not just use presentation slides. They write on the screen as they speak. Do you really want the vanilla slides without annotations? […] and save us from ha...

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2. Feature Requests and General Site Feedback
3. Suggestion: Make the Presentation Slides Available for Physics Courses

[…] marked as read after it has been completely scrolled [through] […] I’m not a fan of that. This would necessitate a constant internet connection: You would need to track progress 0% → 1% → 2% ...

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2. Feature Requests and General Site Feedback
3. Articles are marked as complete before they are read