When Ainsley Ramsey was in sixth grade she competed in a contest: Who could recite the most digits of pi? Ramsey was determined. "I did 100 digits and I won. And I remember getting a pie to bring to ...

TOKYO – A Japanese mental health counselor recited pi to 100,000 decimal places from memory on Wednesday, setting what he claims to be a new world record. Akira Haraguchi, 60, needed more than 16 ...

On the third month and 14th day every year, the date 3/14 represents an important number to math enthusiasts across the world. 3.14159… and so on is a familiar number to many, even if it does bring up ...

This March 14 is a very special Pi Day that comes but once in a century. That's right, it's 3-14-15, the only time before 2115 that the date reflects five digits of the magical, infinite number, ...

WEBVTT WELCOME BACK. AS WE'VE BEEN TELLING YOU AND AS THE GRAPHIC SHOWS YOU THERE, TOMORROW IS MARCH 14, OR P.I. DAY, AND THE MATHEMATICAL FIGURE, P.I., NOT THE PIE YOU EAT. BUT WE'RE CELEBRATING A ...

Today is Pi Day, a time to celebrate the never-ending number that helps us calculate the ratio of a circle's circumference to its diameter. Here in the U.S., Pi Day has officially become a "thing" — ...

We bring you this story in case you want to get baking. That's because Saturday is Pi Day — but it's not just any pi day. It's March 14* of the year '15, or 3-14-15 — the first five digits of the ...