C# Math PI

Description

Math PI represents the ratio of the circumference of a circle to its diameter, specified by the constant, PI.

Syntax

Math.PI has the following syntax.

public const double PI

Example

The following code shows how to use Math.PI.

using System;//ww w.ja  v a2  s.  com

public class MainClass{
  public static void Main(String[] argv){  

    
    System.Console.WriteLine(2*Math.PI);

  }
}

The code above generates the following result.