Pi Day: Difference between revisions

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	The first Pi Day celebration was held at the ] ] in 1988, with staff and public marching around one of its circular spaces, and then consuming fruit pies; the museum has since added pizza pies to its Pi Day menu.<ref>{{cite news \| url = http://www.fresnobee.com/283/story/34436.html \| title = A place where learning pi is a piece of cake \| author = Adrian Apollo\|date = ], ] \| accessdate = 2007-03-21 \| publisher = ]}}</ref> The founder of Pi Day, the "Prince of Pi", is Larry Shaw,<ref> Accessed on 2007-03-29. <!--There is a reference for this in Nature.com, but it requires registration--></ref> now retired from the ], but still helping out with the celebrations. They have also recently added the first Pi Day celebrations in ].		The first Pi Day celebration was held at the ] ] in 1988, with staff and public marching around one of its circular spaces, and then consuming fruit pies; the museum has since added pizza pies to its Pi Day menu.<ref>{{cite news \| url = http://www.fresnobee.com/283/story/34436.html \| title = A place where learning pi is a piece of cake \| author = Adrian Apollo\|date = ], ] \| accessdate = 2007-03-21 \| publisher = ]}}</ref> The founder of Pi Day, the "Prince of Pi", is Larry Shaw,<ref> Accessed on 2007-03-29. <!--There is a reference for this in Nature.com, but it requires registration--></ref> now retired from the ], but still helping out with the celebrations. They have also recently added the first Pi Day celebrations in ].

	] often mails out its acceptance letters to be delivered to prospective students on Pi Day.<ref>{{cite news \| url = http://hosted.ap.org/dynamic/stories/T/THE_CHURCH_OF_PI?SITE=AP&SECTION=HOME&TEMPLATE=DEFAULT \| title = Pi Fans to Meet March 14 (3.14, get it?) \| author = Erin McClan\|date = ], ] \| accessdate = 2007-03-14 \| publisher = ]}}</ref>		The ] often mails out its acceptance letters to be delivered to prospective students on Pi Day.<ref>{{cite news \| url = http://hosted.ap.org/dynamic/stories/T/THE_CHURCH_OF_PI?SITE=AP&SECTION=HOME&TEMPLATE=DEFAULT \| title = Pi Fans to Meet March 14 (3.14, get it?) \| author = Erin McClan\|date = ], ] \| accessdate = 2007-03-14 \| publisher = ]}}</ref>

	Some also celebrate "Pi Approximation Day" which can fall on any of several dates:		Some also celebrate "Pi Approximation Day" which can fall on any of several dates:

Revision as of 06:26, 22 October 2007

Pi Day and Pi Approximation Day are two unofficial holidays held to celebrate the mathematical constant π (pi). Pi Day is observed on March 14 (3/14 in American date format), due to π being equal to roughly 3.14. Sometimes it is celebrated on March 14 at 1:59 p.m. (commonly known as "Pi Minute"). If π is truncated to seven decimal places, it becomes 3.1415926, making March 14 at 1:59:26 p.m., "Pi Second". Pi Approximation Day may be observed on any of several dates, most often July 22 (22/7—in European date format—is a popular approximation of π). March 14 also happens to be Albert Einstein's birthday.

The first Pi Day celebration was held at the San Francisco Exploratorium in 1988, with staff and public marching around one of its circular spaces, and then consuming fruit pies; the museum has since added pizza pies to its Pi Day menu. The founder of Pi Day, the "Prince of Pi", is Larry Shaw, now retired from the Exploratorium, but still helping out with the celebrations. They have also recently added the first Pi Day celebrations in Second Life.

The Massachusetts Institute of Technology often mails out its acceptance letters to be delivered to prospective students on Pi Day.

Some also celebrate "Pi Approximation Day" which can fall on any of several dates:

February 27: The Earth is estimated to have travelled 1 radian of its orbit since the New Year
March 14: A common approximation for American Pi (3.14)
July 22: 22/7 in nearly all date formats, an ancient approximation of pi
November 10: The 314th day of the year (in leap years, November 9)
December 21, 1:13 p.m.: The 355th day of the year (in leap years, December 20), celebrated at 1:13 for the Chinese approximation 355/113
March 14, '16: The closest approximation of pi this century.

References

Adrian Apollo (March 10, 2007). "A place where learning pi is a piece of cake". The Fresno Bee. Retrieved 2007-03-21. {{cite news}}: Check date values in: |date= (help)
COMMENTS & CURIOSITIES: Infinitely irrational Pi Day Accessed on 2007-03-29.
Erin McClan (March 14, 2007). "Pi Fans to Meet March 14 (3.14, get it?)". The Associated Press. Retrieved 2007-03-14. {{cite news}}: Check date values in: |date= (help)

External links

Categories:

Revision as of 06:25, 22 October 2007 editMiltopia (talk \| contribs)2,432 edits pipe in relevant link← Previous edit		Revision as of 06:26, 22 October 2007 edit undoMiltopia (talk \| contribs)2,432 edits articleNext edit →
Line 6:		Line 6:
	The first Pi Day celebration was held at the ] ] in 1988, with staff and public marching around one of its circular spaces, and then consuming fruit pies; the museum has since added pizza pies to its Pi Day menu.<ref>{{cite news \| url = http://www.fresnobee.com/283/story/34436.html \| title = A place where learning pi is a piece of cake \| author = Adrian Apollo\|date = ], ] \| accessdate = 2007-03-21 \| publisher = ]}}</ref> The founder of Pi Day, the "Prince of Pi", is Larry Shaw,<ref> Accessed on 2007-03-29. <!--There is a reference for this in Nature.com, but it requires registration--></ref> now retired from the ], but still helping out with the celebrations. They have also recently added the first Pi Day celebrations in ].		The first Pi Day celebration was held at the ] ] in 1988, with staff and public marching around one of its circular spaces, and then consuming fruit pies; the museum has since added pizza pies to its Pi Day menu.<ref>{{cite news \| url = http://www.fresnobee.com/283/story/34436.html \| title = A place where learning pi is a piece of cake \| author = Adrian Apollo\|date = ], ] \| accessdate = 2007-03-21 \| publisher = ]}}</ref> The founder of Pi Day, the "Prince of Pi", is Larry Shaw,<ref> Accessed on 2007-03-29. <!--There is a reference for this in Nature.com, but it requires registration--></ref> now retired from the ], but still helping out with the celebrations. They have also recently added the first Pi Day celebrations in ].

	] often mails out its acceptance letters to be delivered to prospective students on Pi Day.<ref>{{cite news \| url = http://hosted.ap.org/dynamic/stories/T/THE_CHURCH_OF_PI?SITE=AP&SECTION=HOME&TEMPLATE=DEFAULT \| title = Pi Fans to Meet March 14 (3.14, get it?) \| author = Erin McClan\|date = ], ] \| accessdate = 2007-03-14 \| publisher = ]}}</ref>		The ] often mails out its acceptance letters to be delivered to prospective students on Pi Day.<ref>{{cite news \| url = http://hosted.ap.org/dynamic/stories/T/THE_CHURCH_OF_PI?SITE=AP&SECTION=HOME&TEMPLATE=DEFAULT \| title = Pi Fans to Meet March 14 (3.14, get it?) \| author = Erin McClan\|date = ], ] \| accessdate = 2007-03-14 \| publisher = ]}}</ref>

	Some also celebrate "Pi Approximation Day" which can fall on any of several dates:		Some also celebrate "Pi Approximation Day" which can fall on any of several dates:

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