It has been picked up by pie bakers and pizza chains as an excuse for promotions.
March 14 - 3-14 - is the date that is the first three numbers of the ratio of a circle's circumference to its diameter - 3.1415926539. Whether you're looking for a nostalgic whoopie pie or something a bit more. adult, you can find it locally. But let's not get too irrational here: Limit one pizza per customer, dine-in only.
Cicis and Blaze Pizza in celebration of the mathematical constant, pi or 3.14, will offer pizza specials on Wednesday, March 14.
Both Whole Foods Market and Pick'n Save are selling large baked pies for just $3.14 on 3/14.
The owner says people are always on the hunt for pie on pi day and that it was an easy equation to decide to celebrate.