It’s deliciously reliable, like cherry pie: Divide the circumference of any circle in the universe by its diameter, and you will always get the same number, pi, aka the Greek letter π. In fact, NASA ...

Math enthusiasts around the world, from college kids to rocket scientists, celebrate Pi Day on Thursday, which is March 14 or 3/14 — the first three digits of an infinite number with many practical ...

Pi’s ancient roots: Egyptians and Babylonians used pi over 4,000 years ago, long before it was named in the 18th century.

Student mathematicians spent Saturday crunching numbers and solving equations at Maria Carrillo High School’s library as part of an academic tournament celebrating Pi Day, March 14. About 50 ...

University of Wyoming students, like many around the world, celebrated Pi Day with fun and challenging math problems. Twenty-five UW students participated in Wyoming Pi Days, a series of three “Pizza ...

WEST PALM BEACH, Fla. — Math enthusiasts around the world, from college students to rocket scientists, celebrate Pi Day, which is March 14 or 3/14 — the first three digits of an infinite number with ...