2 Cents: Pi Day

Central PA Live

Today is National Pi Day!

Not pie as in apple or pizza pie, but pie as in the mathematic contsant 3.14 represented by the Greek letter, Pi.

It’s the ration of a circle’s circumference to its diameter.

According to NationalDayCalendar.com, the first major observance of Pi Day was in 1988 at the San Francisco Exploratorium.
 

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