Saturday is Pi Day, a national celebration of the mathematical concept, which is the ratio of a circle's circumference to its diameter and equals 3.14... Schools and museums often plan events to ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Time is a flat circle, Matthew McConaughey tells us, neglecting to explain how then we could measure time's circumference ...

Add Yahoo as a preferred source to see more of our stories on Google. Calling all mathematicians, a day where math and food meet is finally here! March 14, National Pi Day, honors 3.14 (π) the ratio ...

One of my favorite holidays is Pi Day. On March 14, people who love the math constant called pi celebrate by eating the other kind of pie. Like apple pie, pumpkin pie and even pizza pie. I talked ...

Every year on March 14, millions of people celebrate Pi Day. This fun holiday honors Pi, the number (3.14) that represents the ratio of a circle's circumference to its diameter. And this year, several ...

Pi Day is a combination of math and the calendar, and a few years ago, those in the food industry decided to use the numbers 3,1 and 4 (as in the numerical date of March 14) to establish a day to ...

Tuesday is Pi Day, a national celebration of the mathematical concept, which is the ratio of a circle's circumference to its diameter and equals 3.14... Schools and museums often plan events to ...