Pi Day,” which is March 14, 3.14, is a day meant to recognize the special, infinite number that can also be recognized by its ...

Today is Pi Day for 2026, the universal celebration of an amazing, mysterious, and irrational mathematical constant. What's ...

Each year, Americans celebrate the Greek symbol of Pi on March 14 because the date matches the first three numbers, 3.14.

Pi Day is a day for food and restaurant chains to highlight their own pies to commemorate a math equation.

Explore the origins of Pi Day from San Francisco's Exploratorium to global recognition, blending math, culture, and pie in a ...

Even people who aren’t great at math understand Pi Day. Pi is what mathematicians call the ratio of a circle’s circumference ...

Three Reston businesses will be offering customers special Pi Day prices on Saturday, March 14.

Any day is a good day for pie, but World Pi Day practically demands a slice (or three). Restaurants across the country are ...