Pi Approximation Day, also known as Casual Pi Day, is celebrated annually on July 22nd. The day recognises and appreciates the mathematical consonant of pi (π), which is known in various aspects of ...

Pi Approximation Day celebrates the pi symbol (π) and its importance to mathematics. The symbol is a Greek letter, and it is used in mathematics to represent the ratio of the circumference of a circle ...

14 March is celebrated by some as the most exciting day in mathematics – when the date lines up in the numbers of the famous constant, Pi or π. But some people would rather it isn’t celebrated at all.

March 14—aka Pi Day—isn’t just for math nerds. It’s the one day a year where we celebrate the magic of the number π (pi), which starts at 3.14 and goes on forever. But Pi Day isn’t just about ...