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Pi Day

Credit: iStock

Mathematicians And Diners Prepare For Ultimate Pi Day

Pi Day, 3.14 or Mach 3, is being celebrated in a number of ways by mathematicians, runners and diners.

CBS Detroit–03/13/2015

(Getty Images)

Pi Day And Einstein

Three-fourteen is the date, but it’s also the scientific formula for pi.

WWJ Newsradio 950–03/18/2012