4 ms·
I asked over at Reddit but he won't see my question. What's the software he uses to scribble out his calculations?
by instakill 15y ago
I asked over at Reddit but he won't see my question. What's the software he uses to scribble out his calculations?
- leak 15y agoCamtasia and Smoothdraw http://www.khanacademy.org/about/faq#equipment http://www.khanacademy.org/about/faq#equipment