Prepare to be mesmerized as award- winning Harvey Mudd Professor of Mathematics Arthur Benjamin demonstrates (and explains!) how to do rapid mental calculations and other amazing feats of mind. Arthur will be introduced by master magician Mark Mitton.

Math Encounters is a public presentation series celebrating the spectacular world of mathematics and presented by the Simons Foundation and the National Museum of Mathematics.

For further information, call the Museum of Mathematics at (212) 542-0566 or e-mail mathencounters@momath.org.

I loved the Pi song

I wish he had been my math teacher in school…

How come cubing doesn't work on double digits (78^3). =/

Captain Caveman in the background to the right.

Intro over at 4:28. Secrets explained beginning at 23:55.

can anyone explain at 49:34 how can he knows the 4744? I can't get his idea

15:00 is <3

ridiculous …….. !!!!

this guy is phenomenal truely appreciate maths so much more thnx to people like him

Fabulous, thanks for sharing.

Question: How could he filled the rest of the numbers at 15:00 ??