Friday is Pi Day, a national celebration of the mathematical concept, which is the ratio of a circle's circumference to its ...

Pi Day celebrates curiosity, creativity, and, let’s face it, carbs! Indulge in pies, explore math trivia, or bake ...

Pi belongs to a huge mathematical group called irrational numbers, which go on forever and cannot be written as fractions.

Every year, mathematicians, educators, and enthusiasts mark March 14 as Pi Day, celebrating one of the most fundamental ...

Pi is an irrational number, and like some irrational people it just goes on and on. What is it with this crazy, crucial ...

March 14 — a day you’re more likely than most others to eat — or throw — a pie and get a reduced price on your pizza. It’s ...

Friday is Pi Day, a national celebration of the mathematical ... because when the perimeter is divided by its height, one gets a close approximation to 2π. It’s the same result if one divides ...

“The Avogadro constant, commonly denoted NA or L, is an SI defining constant with an exact value of 6.02214076×1023 mol−1 ...

Fortunately, July 22 is an alternative “Pi Day” because 22/7 is actually a slightly better approximation of 3.14159265... than is 3.14. July 22 is sometimes referred to as “Pi Approximation ...