Today is Pi Day for 2026, the universal celebration of an amazing, mysterious, and irrational mathematical constant. What's ...

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

Pi Day, celebrated each year on March 14 (3.14), honors the mathematical constant π, which begins with the digits 3.14.

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

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

Pi refers to the ratio of a circle’s circumference to its diameter. The concept was popularised in 1988 when physicist Larry ...