
Pi the number, not the desert. I like both.
Pi is the ratio of a circle's circumference to its diameter. Pi (π) is also the ratio of a circle’s area to the square of its radius. Pi is an irrational number that can’t be expressed as a fraction of the form m/n where m and n are both integer numbers. Pi is an example of an transcendental number.
The first 25 digits of pi (π)? 3.141592653589793238462643
March 14th Pi Day. 3/14, get it? It also happens to be Albert Einstein’s birthday. Imagine that!