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Pi Day - March 14, 2014
Created by Larry Shaw (now known as the "Prince of Pi") in 1988, Pi Day celebrates the mathematical constant π (pi - denoting the ratio of a circle’s circumference to its diameter) on March 14 annually. In 2009, a non-binding resolution passed by the U.S. House of Representatives recognized March 14th as National Pi Day. Official Pi Day Site http://www.piday.org/ Math enthusiasts world-wide observe Pi Day with discussions about pi, reciting pi to as many decimal digits as possible, participating in activities like math games and logic puzzles, Pi Day scavenger hunts, singing Pi Day songs, wearing pi themed clothing and jewelry, and baking and/or consuming all types of pies and/or pizzas. In addition, many schools and universities plan lessons and activities for students during the Pi Day celebrations, such as creating a "pi-ku" - a play on the Japanese word "haiku" - by writing pi or mathematical themed poems with a three syllable / one syllable / four syllable pattern. Example: Constantly / pi's / irrational. Pi Day is also Albert Einstein’s birthday. Themes of Pi Day include the symbol π (the 16th letter of the Greek alphabet), 3.14 (the first 3 digits of pi) or pi to many decimal digits, pies (fruit pies, pizza pies), and other plays on the word "pi", and circles or circular objects (such as clocks). Don’t be square on Pi Day - you should send your favorite mathlete a greeting card and give them proof that math has a sense of humor! At Greeting Card Universe, we have many fun cards to celebrate your favorite constant or invite your friends to a Pi Day party.
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