Pi

Pi

Category: Trigonometric

Syntax: Pi

Parameters: None

Description: Returns the value of the trigonometric constant Pi, which is approximately 3.1415926535897932. Pi is defined as the ratio of the circumference to the diameter of any circle.

Examples:

 Pi / 2 

Returns 1.5707963267948966 .

 SetPrecision (Pi; 25) 

Returns 3.1415926535897932384626434 .

Comments:

Pi is most often used in conjunction with other trigonometric functions, such as Sin() , Cos() , and Tan() , which each require an angle measured in radians as a parameter. There are 2 x Pi radians in 360 degrees.