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Web Results

en.wikipedia.org/wiki/Pi

The number π is a mathematical constant, the ratio of a circle's circumference to
its diameter, ... Ancient civilizations needed the

britton.disted.camosun.bc.ca/pi/piorigin/piorigin.html

You know what '

www.math.rutgers.edu/~cherlin/History/Papers2000/wilson.html

... string of numbers starting with 3.14159 2653..., which is generally shortened to

www.mathsisfun.com/numbers/pi.html

www.angio.net/pi/whypi.html

Why is

math.stackexchange.com/questions/17366/why-is-pi-equal-to-3-14159

Jan 13, 2011

www.quora.com/Why-is-3-14-frequently-used-as-the-value-of-Pi-and-not-22-7-Wouldnt-it-affect-the-correctness-of-the-value

It's important to note that

c2.com/cgi/wiki?ValueOfPi

www.math.com/tables/constants/pi.htm

robbieg8s.wordpress.com/2013/03/15/why-227-is-a-better-π-day-than-3-14/

Mar 15, 2013

More Info

www.scientificamerican.com

May 17, 1999

www.pcworld.com

Mar 13, 2013

www.livescience.com

Apr 30, 2013