The Excel PI function returns the value of the geometric constant π (pi). The value represents a half-rotation in the radian angle system. The constant appears in many formulas relating the circle, such as the area of a circle.
Syntax
The syntax for the PI function in Microsoft Excel is:
=PI( )
Parameters or Arguments
There are no parameters or arguments for the PI function.
Pi Function Examples
The spreadsheet below shows three examples of the Excel Pi function.
Formulas:
Results:
