Math videos by Presh Talwalkar (studied Mathematics and Economics at Stanford). I post brain teasers, riddles, logic puzzles, viral math problems, and math topics from viewers around the world.
Send me your favorite puzzles/suggestions by email: click on "for business inquiries" or visit my blog to see the address. (I get so many emails that I may not reply, but I save all suggestions).
This is the only channel to feature math suggested by people around the world, made possible by community support on Patreon:
Check out my books on Amazon!