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Returns the number 3.14159265358979, the mathematical constant pi, accurate to 15 digits.
Syntax
PI( )
Example
| Formula | Description (Result) |
|---|---|
| =PI() | Pi (3.14159265358979) |
| =PI()/2 | Pi/2 (1.570796327) |
| =PI()*(3^2) | Area of a circle, with the radius (28.27433388) |