College students, rocket scientists and math enthusiasts around the world are celebrating Pi Day.

The celebration is based on the first three digits of pi, 3.14.

March 14 is Pi Day.

This Saturday is March 14, also known as Pi Day, honoring the mathematical constant π. Blaze PizzaThis marks the sixth straight year of the company’s Pi Day celebration -- valid at most U.S. and Canada locations. You can get a $3.14 Pi Day deal with your Blaze Pizza app, according to this website. Also, new Pie Life Rewards members can be entered to win free pizza for a year -- just by downloading the Pie Life Rewards app this Saturday. Finally, new and existing Pie Life Rewards members who use the Pie Life Rewards App in-store on Pi Day will also receive $3 off their next visit.