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'''Pi day''' is a [[holiday | "Holiday"]] celebrating [[mathematics]].

'''Pi Day''' is a tongue-in-cheek [[holiday]] celebrating the [[mathematics | mathematical]] constant [[Pi]].  It is observed on March 14.  The date comes from the first three digits of Pi (3/14), with some people beginning their celebration at 1:59:26 (the following digits 3.1415926).  Celebrations often involve eating pie, cookies or some other circular delicacy.  Many Elementary and Middle School teachers use March 14 to introduce their students to the concept of Pi.  

Pi Day is a tongue-in-cheek holiday celebrating the mathematical constant [[Pi]] and is observed on March 14.  Celebrations often involve eating pie, cookies or some other spherical delicacy. The date comes from the first three digits of pi (3/14) with some people beginning their celebration at 1:59:26 (the following digits 3.1415926).  Many Elementary and Middle School teachers use March 14 to introduce their students to the concept of Pi.

Pi Approximation Day is a similar holiday, celebrated on July 22 (from the approximation 22/7 which comes close to the value for Pi - the European dating method is used in this case.  

 

Pi Approximation day is a similar holiday, celebrated on July 22 (from the approximation 22/7 which comes close to the value for pi - the European dating method is used in this case).  

[[Category:Mathematics]]

[[Category:Mathematics]]