Evan Lewis

1. Cộng đồng
2. Feature Requests and General Site Feedback
3. Add a feature to restart the progress in a specific course

Hi Delage, Thanks for sharing your feedback! Unfortunately, Khan Academy has already decided not to implement a course reset feature, in order to prevent accidental progress loss. If you'd like to ...

1. Cộng đồng
2. SAT Questions and Feedback
3. Suggestion

Hi Leena, Thanks for the suggestion! I've forwarded this to the rest of the team for consideration as we continue to improve our SAT prep. Please let me know if you have any additional feedback or ...

1. Cộng đồng
2. Content Requests and Feedback
3. Can you upload a video on adiabatic process?

Hi Ashshahril, Thanks for the suggestion! I've forwarded this request to the content team for consideration as we continue to expand our content library : ) Thanks for posting!

1. Cộng đồng
2. Technical Issues and Workarounds
3. ¨Network request timed out¨

If anyone still experiences this issue, please submit a support ticket so we can further investigate the problem. Thanks!

1. Cộng đồng
2. General Khan Academy Questions
3. Changing country settings

Hi Bha, Depending on which course you are trying to access, you may be able to access the US math courses by direct link, even if those courses aren't listed in the courses menu. Otherwise, using a...

1. Cộng đồng
2. SAT Questions and Feedback
3. Can I reset Practice Test #2?

Hi Ami, Unfortunately there's not a way for us to allow you to retake the archived practice tests. Resetting the test would just remove your existing progress without letting you start over. If you...

1. Cộng đồng
2. General Khan Academy Questions
3. Lessons Completed Are Still Marked "Resume"

Hi Julie, The "Resume" button always appears next to the unit that you were working on most recently, regardless of whether or not the unit has been completed. This is designed to help you easily c...

1. Cộng đồng
2. Classroom Tips and Tricks
3. AP Calculus BC solutions

Hi Paul, There's not a way to access an answer sheet for all of the questions in an exercise set, however you can view the answers and a full walkthrough for each problem individually using the hin...

1. Cộng đồng
2. Feature Requests and General Site Feedback
3. CCSS covered in each course/unit/lesson (Mathematics I, II, III)

Hi Joseph, I don't think there's a spreadsheet that contains the CCSS skills that are specific to the Mathematics I, II, III courses. However, there is a spreadsheet that lists all of the CCSS skil...

1. Cộng đồng
2. Content Requests and Feedback
3. Opticianry!

Hi Morgan, Thanks for the new course suggestion! Khan Academy is currently focused on improving and maintaining core K-12 courses, so unfortunately an opticianry course would be outside the focus o...