This day only comes 'round' once every year!

March 14 is celebrated as Pi Day because the date, when written as 3/14, matches the start of the decimal expansion 3.14159… ...

Mathematician Carlos Castillo-Chavez says that pi is so important to math that using its simple, geometric definition denies its greater powers. "[Pi] brings you into the world of mathematics, which ...

As a physics reporter and lover of mathematics, I won’t be celebrating Pi Day this year. That’s because pi is wrong. I don’t mean that the value is incorrect. Pi, known by the symbol π, is the number ...

Every year on March 14, people around the world celebrate Pi Day, a day dedicated to the mathematical constant π (pi) ...

Pi Day is celebrated every year on March 14, honouring the significance of the mathematical constant π and its applications ...

You’re likely familiar with Pi Day, perhaps the most popular of geeky holidays. Hooray. But I’m here to tell you that Pi Day is wrong — or rather, the entire idea of pi as a mathematical concept is ...

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 ...

Every year on March 14, classrooms, universities and research institutions across the world turn their attention to a subject ...

Happy Pi Day, the annual celebration of this incredible, mysterious, and irrational mathematical constant. Happy Pi Day, the annual celebration of this incredible, mysterious, and irrational ...