Monday, March 14, 2011

Pi Crossing Zone Poster from

There is a Pi Day sale for math folks at Zazzle. "(4πr²)% Off Where r = 1; Math rocks and so can you. Today everyone is a nerd!" 12.56% off at Zazzle product when using the coupon code 314159265358 at checkout through March 14, 2011 at 11:59pm PT.

Posted via email from Annalee Blysse @ posterous on posterous.