Today’s the day to celebrate pi, perhaps with a slice of pie? It’s Pi Day, the annual celebration of π (pi), the ratio of a circle’s circumference to its diameter. The numerical version of this is ...

To celebrate Pi Day, CPK is offering rewards members a $3.14 pizza with a minimum purchase of $25 on March 13 and 14. Choose ...

Pi day is Friday, March 14 and you can get special food deals on pizza and desserts from several national chains.