Pi Day is Friday, March 14, and several national chains are celebrating with deals and discounts on pie and pizza.
Pi Day rolls around every year on March 14. It is observed on March 14 because 3, 1, and 4 are the first three significant figures of π, making the date (3/14) a perfect match to honor the ...
Pi Day is celebrated on March 14. It's the celebration of the mathematical sign pi, and the date is symbolic because (3.14) signifies the first three digits of pi. This year ESSENCE is celebrating by ...