March 14 — a day you’re more likely than most others to eat — or throw — a pie and get a reduced price on your pizza. It’s all in celebration of pi (Greek letter π), the mathematical constant and ...

Saturday, 3/14/15, marks a once-in-a-century Pi Day, corresponding to the first four digits of 3.1415. If you really want to celebrate in mathematical style, take it out a few more places and clink ...

For certain people, March 14th each year marks Pi Day, the date 3.14 is the first three digits in the infinitely continuing number. It’s also Albert Einstein’s birthday. “Pi Day is an annual ...

Pi Day is a favorite holiday for both food lovers and mathematicians. For the foodies, the reasoning is simple. Pi Day brings discounts and deals for people looking to grab a pizza to celebrate the ...