Wings of Fire Fan

1. Cộng đồng
2. Feature Requests and General Site Feedback
3. RESTARTING MY COURSE CHALLENGE

I am in agreement. It is annoying when you get a question wrong, but cannot restart it.

1. Cộng đồng
2. Content Requests and Feedback
3. New Sun Badges

After 1 million, there's no real motivation to keep getting energy points except for Tesla, which(I think) is for 10 million energy points, so it feels like an unreachable goal. I think I might aim...

1. Cộng đồng
2. General Khan Academy Questions
3. I found out how to get atlas, tesla and artemis badges

Thanks for the information!

1. Cộng đồng
2. Content Requests and Feedback
3. Which calculus class comes after pre-calculus?

Probably something like Calculus 1. If you want, you might be able to do AP Calc AB, but that might prove a bit difficult.

1. Cộng đồng
2. Content Requests and Feedback
3. (Re)add DAILY STREAKS to Khan Academy

I liked them when they were around, but I'm fine with them being gone.

1. Cộng đồng
2. SAT Questions and Feedback
3. PSAT 8/9 Practice

Never mind. I checked the FAQs and found the information I needed.