Hey, it's Pi Day! That's right, March 14 every year is celebrated by folks everywhere because it's 3/14 or, like the first three digits of Pi, 3.14. So we all joke around with Pi pies and pizza ...

What is pi? Each year, on March 14, it's become traditional for numerophiles and mathematicians to pause and reflect on the most famous of irrational numbers, pi.

If you've been using Pi Day as an excuse to just eat pie, that's just peachy (or apple or chocolate cream). But there's so much more to know about pi. Here's why we care about pi and its day of ...

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 ...

Each year, on March 14, it's become traditional for numerophiles and mathematicians to pause and reflect on the most famous of irrational numbers, pi. Pronounced pie, written as π, and summed up ...

The day was chosen because it reflects the first three numbers of “pi,” or the ratio of a circle’s circumference to its diameter. The first three digits of pi are 3.14.