Simply put, pi is a mathematical constant that expresses the ratio of a circle’s circumference to its diameter. It figures ...

Pi, which is the ratio of a circle's circumference to its diameter, is celebrated with its own holiday on March 14.

March 14, a.k.a. 3/14 — is also Pi Day, because Steph and Pi — also known by its logo, π — have infinite similarities. Pi is ...

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

On Thursday, Detroit celebrates 313 Day in honor of its iconic area code and many restaurants celebrates with $3.13 deals. Friday marks March 14, also known as Pi Day in the mathematical world ...

WEST PALM BEACH, Fla. (AP) — 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 ...

WEST PALM BEACH, Fla. (AP) — 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 ...