But come March 14, it is all about paying due to perfect pies, for that is Pi Day. The date tells the tale: It's 3/14, or 3.14, if you please, which is how the mathematical constant known as pi ...

It is never-ending. It is infinite. It is pi! No, not that pie — the delicious baked dish of whatever filling your hearts desire. Pi, the mathematical constant, is celebrated each year as Pi Day ...

Many people will mark the day with a slice of pie - sweet, savory or even pizza. Simply put, pi is a mathematical constant that expresses the ratio of a circle’s circumference to its diameter.

Filled with fruit, nuts or custard, pie is simply delicious anywhere and anytime. But Pi Day — that March 14 salute to the ratio of a circle’s circumference to its diameter — just screams ...