Hello, I would like to do one chemistry course combining the old AP course and the Beta version. I am finding it very hard to join them together though. Please can you help?

1. Közösség
2. Content Requests and Feedback
3. Chemistry course is missing content

I totally agree with you! I nearly lost the will to live with Algebra I when I restarted a unit test for the umpteeth time and failed the first question! Please put a restart button on unit tests a...

1. Közösség
2. Feature Requests and General Site Feedback
3. Khan academy practice "Restart" button