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 ...

Most of us can recall Pi to four or five digits, thanks to high school math, but now a team of Swiss scientists has broken the world record for calculating the mathematical constant. It took three and ...

Happy Pi Day, the annual celebration of this incredible, mysterious, and irrational mathematical constant. Okay, so Pi — most commonly written as the Greek symbol π — is an essential mathematical ...

Numbers rarely make headlines, but pi has a habit of doing exactly that. The famous constant, which is best known from school math as 3.14—never actually ends, and its digits never repeat their ...