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 ...

Pi is the circumference of a circle (the distance around the circle) divided by its diameter (the distance across. Because pi is an irrational number, it has an infinite number of digits. Herron wrote ...

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 ...