
 Usage

Returns a double (64-bit floating point number) value that
represents pi (ratio between the circumference and diameter
of a circle...). Typical usage

     y = pi

This value is approximately 3.141592653589793.


 Example

The following example demonstrates the use of the pi
function.

  --> pi

  ans =
      3.1416

  --> cos(pi)

  ans =
   -1


* FreeMat_Documentation
* Base_Constants
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