using System;

public class Program

{

    public static void Main()

    {

        string restart = "y";

        while (restart != "q")

               {

Console.WriteLine("Please Enter a Number");

double input = double.Parse(Console.ReadLine()); 

int i = 1;

do

   {Console.Write( Math.Sqrt(i) +", ");

    i++;    

}

while(i<=input);

Console.WriteLine("press q ro quit or anything else to continue"); 

        restart = Console.ReadLine();

    }

}

}

​