// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002340/double-sqrt

​

// @nuget: Z.ExtensionMethods

​

using System;

public class Program

{

    public static void Main()

    {

        double[] values = { 25653.25, 7883.75, 256, 64.0, 35.36, 8, 0, -7.6 };

        Console.WriteLine("  Value            Sqrt\n");

​

        foreach (double value in values)

        {

            // C# Extension Method: Double - Sqrt

            Console.WriteLine("{0,7} {1,16:N3}", value, value.Sqrt());

        }

    }

}