Discuss this talk: Lightning calculation and other "Mathemagic" ( Arthur Benjamin )
About this talk
In a lively show, "mathemagician" Arthur Benjamin races a team of calculators to figure out 3-digit squares, performs a massive mental calculation, and guesses a few birth days. How does he do it? He'll tell you.
About Arthur Benjamin
Mathematician and magician Arthur Benjamin combines his two passions in "Mathemagics," a mind-boggling presentation of lightning calculations and other feats of mathematical agility. Read full bio »
Other talks from "Spectacular Performance"
Length: 05:11
Filmed: Jun 2007
Posted: Aug 2007
Length: 03:44
Filmed: Mar 2007
Posted: Oct 2007
Length: 03:33
Filmed: Feb 2004
Posted: Apr 2007
Length: 04:23
Filmed: Feb 2006
Posted: Apr 2007
Length: 04:48
Filmed: Mar 2006
Posted: May 2007
Length: 09:16
Filmed: Mar 2007
Posted: Jul 2007
Subscribe to TED
New talks are released weekly. Be the first to know!
Related themes
Related tags
Share this talk
TED's mission is to spread ideas, and we encourage you to share these talks widely: Email them; link to them; embed them in your website; show them in your classroom; discuss them at a salon... All our videos are distributed under a Creative Commons license, so they can be freely played and reposted (so long as you follow certain guidelines).