MATH TRiViA ü

*did you know that 111,111,111 x 111,111,111 = 12,345,678,987,654,321

*the largest prime number is 13,395 digits long.

*Rene Decartes came up with the theory of coordinate geometry ny looking at a fly walk a cross a tiled ceiling. 


-- from: http://www.slideshare.net/Ahudson/math-trivia