Happy Pi Day! Fans have decided to commemorate the mathematical constant on March 14 for years, but it was until 2009 that Pi Day was designated by the U.S. House of Representatives. For those who don ...

March 14 circles back on the calendar, and Pi Day gives Americans a reason to smile at math instead of stress over it. What ...

Not just mathematicians and rocket scientists, National Pi Day is celebrated across the U.S. by students, teachers and science enthusiasts. The day is observed on March 14 (3/14 in the month/date ...

3.14, 22/7, the Archimedes' constant-- Pi, the mathematical constant, celebrates the 31st Pi Day today. Physicists, mathematicians and Pi-enthusiasts have thanked the constant and have outpoured their ...