Pi Day

(AP)
Updated: 2007-03-15 06:32

Students from the Maurice J. Tobin School makes a human Pi symbol at the school in Boston, Tuesday, March, 13, 2007, during a celebration of Pi Day. Pi Day is an unofficial holiday in the math community, observed each year on the 14th day of the third month. (AP Photo/Chitose Suzuki)

Students from the Maurice J. Tobin School makes a human Pi symbol at the school in Boston, Tuesday, March, 13, 2007, during a celebration of Pi Day. Pi Day is an unofficial holiday in the math community, observed each year on the 14th day of the third month.[AP]


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