Yes, we've been working some on making the website more mobile-friendly -- just last week we added some styles for our topic pages: http://www.khanacademy.org/

Yes, we've been working some on making the website more mobile-friendly -- just last week we added some styles for our topic pages: http://www.khanacademy.org/math/algebra http://www.khanacademy.org/math/algebra Visit that page on a phone to see the alternate layout; we're also working on improving support for tablets. I'll look into making the inputs use type="number"; off the top of my head, there's no reason why we shouldn't make that change.