Russian Multiplication - Numberphile

Johnny Ball on Russian and Egyptian Multiplication. Check out Brilliant (get 20% off their premium service): (sponsor) More links & stuff in full description below ↓↓↓ More on Johnny Ball, including his books and live shows: Russian multiplication is also known as Ethiopian multiplication. Why Use Binary? (on Computerphile) - Discuss on Brady’s subreddit: Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): We are also supported by Science Sandbox, a Simons Foundation initiative dedicated to engaging everyone with the process of science. And support from Math For America - NUMBERPHILE Website: Numberphile on Facebook: Numberphile tweets: Subscribe: Videos by Brady Haran Patreon: Numberphile T-Shirts and Merch: Brady’s videos subreddit: Brady’s latest videos across all channels: Sign up for (occasional) emails: