## March 2011

Facts about Pi!!

Geometry:Half the circumference of a circle with a radius of 1 is exactly piRecord for calculation: 5 trillion, by Shigeru Kondo (Japan) and Alexander J. Yee (United States) in August 2010Record for memorization:67,890 digits, by Chao Lu (China) in November 2005How random?There are no occurences of the sequence 123456 in the first million digits of piPi Day:In 2009, Congress voted in favor of supporting March 14 as Pi Day

Source: “The Joy of Pi,” Guinness World Records

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