Pi Day: March 14 is Pi Day (+Video)

March 14, also written as 3/14, is celebrated as Pi Day around the world because the Greek letter “π” is the symbol used in mathematics to represent a constant—the ratio of the circumference of a circle to its diameter — which is approximately 3.14159, according to the Pi Day website.

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Pi Day: March 14 is Pi Day (+Video) — “Happy Pi Day!” the White House tweeted on March 14 with this photo. "'Anyone want to try a piece of my strawberry pie,' Barack Obama, U.S. president, asked during a stop for lunch at Kozy Corners restaurant in Oak Harbor, Ohio on July 5, 2012. A young boy said yes and came over for a big bite of pie. Official White House Photo by Pete Souza

March 14, also written as 3/14, is celebrated as Pi Day around the world because the Greek letter “?” is the symbol used in mathematics to represent a constant—the ratio of the circumference of a circle to its diameter—which is approximately 3.14159, according to the Pi Day website.

[video]http://www.youtube.com/watch?feature=player_embedded&v=Vp9zLbIE8zo[/video]

“Pi has been calculated to over one trillion digits beyond its decimal point,” the website states. “As an irrational and transcendental number, it will continue infinitely without repetition or pattern.” Happy Pi Day!

If you hold a mirror up to Pi, 3.14, it spells Pie, reports PieDay.org.

[video]http://www.youtube.com/watch?feature=player_embedded&v=hJJJmQojcLM[/video]

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