The Best Deals for Friday's 'Pi Day' Mean Pie and More

March 14, 2014 12:28 PM

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The Best Deals for Friday's 'Pi Day' Mean Pie and More

Fans of math and pie are celebrating "Pi Day" or March 14, representing the ratio of a circle's circumference to its diameter, or approximately 3.14159.

National Pi Day became a national holiday after the House of Representatives designated it as such in 2009 with a resolution that "encourages schools and educators to observe the day with appropriate activities that teach students about pi and engage them about the study of mathematics."

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