Add Yahoo as a preferred source to see more of our stories on Google. To refresh your memory, pi is the mathematical constant representing the ratio of a circle's circumference to its diameter. Like ...

PITTSBURGH (KDKA) -- Remember that one time in math class when you said, "I am never going to use this in real life"? Since tomorrow is officially Pi Day, you Know 3-14, or March 14th, we are going to ...

March 14 is considered ‘Pi Day’ because when the date is typed out numerically, it resembles the first three digits of pi, 3.14. Yesterday marked the confluence of round baked goods (sweet and savory) ...

Today you can eat a slice of pizza, raise a toast with a piña colada, or just reflect for a moment on 3/14 at 1:59 p.m. to celebrate the most irrational holiday of the year: Pi Day. The observance ...

If you're anything like Ree Drummond, you're no stranger to pie. Pi, on the other hand, can be a bit of a head-scratcher. But whether or not you've memorized its digits, you can still partake in all ...