Celebrate National Pi Day this Saturday, March 14. Pi Day was created by physicist Larry Shaw at San Francisco's Exploratorium in 1988. It wasn't until 2009 that the U.S. House of Representatives officially recognized March 14 as National Pi Day.
"Pi, an infinite number with no pattern, has been calculated to over 1 trillion digits beyond its decimal point. This year is especially significant since the date, year and time (3/14/15 at 9:26 a.m. and 53 seconds) corresponds with the first 10 digits of Pi (3.141592653...), an occurrence that only happens once a century" (http://northofboston.wickedlocal.com/article/20150311/NEWS/150319900).
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