Saturday, March 14, 2015 marks the only time this century that the date (3/14/15) matches the first five digits of pi (3.1415), and at two separate points in the day, 9:26.53 both a.m. and p.m., the ...

Saturday is Pi Day, a national celebration of the mathematical concept, which is the ratio of a circle's circumference to its diameter and equals 3.14... Schools and museums often plan events to ...

As people celebrate Pi Day this March 14, the mathematical constant continues to be part of everyday life for scientists and engineers.

This article has been updated from the original post, which appeared on March 14, 2013. March 14, when written as 3/14, represents the first three digits of pi (π), the ratio of the circumference of a ...

David H. Bailey, chief technologist of the Department of Energy's National Energy Research Scientific Computing Center (NERSC) at Lawrence Berkeley National Laboratory, and his colleague Richard ...