Ainsley Ramsey is the organizer of Piece of the Pi fundraiser, which helps make STEM accessible for more students. She also loves pi.

Memorizing four digits worth of pi is no piece of cake. McDonell Central Catholic High School math teacher Tony Reiter’s Pi Day contest, normally held on March 14 each year, yielded a student ...

This Arizona woman recites more than 1,000 digits of pi each year. Here's why ...

Pi was first estimated thousands of years ago, and by the mid-20th century, mathematicians had calculated about 1,000 digits of the number, using a gear-driven calculator.

Scientists have calculated the value of pi to one hundred trillion digits, but you don't have to be a mathematician to understand it.

Every March 14, mathematicians, scientists and math lovers around the world celebrate Pi Day, a commemoration of the mathematical sign pi.

A junior from Park Vista High School served up over 1,200 digits of pi, slicing through the school's record.