Description:
Compute the circumference-to-diameter ratio.
Syntax:
pi(k)
Note:
The function computes the circumference-to-diameter ratio π, or k*π when parameter k is present.
Parameter:
k |
A number representing the multiple of π, whose value is 1 by default. |
Return value:
Numeric
Example:
pi() |
3.141592653589793 |
pi(2) |
6.283185307179586 |