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 ...

Tomorrow is March 14, also known as Pi Day, and we are honoring the magical number with several classroom activities that pertain to it. The number pi begins with 3.14 and it has over a trillion ...

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 ...

If the students of Hanover High School are rocking out to songs they wrote themselves and wearing T-shirts decorated with a mathematical symbol, it must be Pi Day, an annual celebration of the ...

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 ...

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) ...

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 ...