Using the Excel PI Function

Summary
The PI function returns the mathematical constant pi (π) to 15 digits. Unfortunately, this isn't a function that produces edible pie. The function will return 3.14159265358979.Syntax
=PI ()Syntax Breakdown
()PI is a unique Excel function that does not require any input.
Usage Notes
PI can be combined with other mathematical operations, such as division, multiplication, and other functions.