1. Közösség
2. Positive Stories and Testimonials

I'm 32 years old and I'm working to go back to school. I plan to study physics but I knew it had been years since I've done proper math. I don't even remember how I found Khan but it has been life ...

1. Közösség
2. Content Requests and Feedback

In the Trigonometry section of Algebra II under... Constructing sinusoidal functions Trig Word Problem: modeling annual temperature... is a lengthy problem that requires 2 videos. Sal ends the vide...