using System;

public class Program

{

    public static void Main()

    {

                Console.Clear();

            string choice = "x"; 

        while (choice!="y" && choice!="Y")

        {

        Console.WriteLine("How many square roots would you like to calculate?");

        string n = Console.ReadLine(); 

        double ans; 

        if (double.TryParse(n, out ans)) 

            if (ans<=0)

            {Console.WriteLine("Please enter a positive integer."); 

             choice =Console.ReadLine();

             Console.Clear(); }

        else    

        {

            double i =1; 

         do

         {

          Console.WriteLine("The square root of " +i+ " is " +Math.Sqrt(i).ToString("#.###")+ " ");  

          i++;

                        }

        while (i<=ans);}

            Console.WriteLine();

Console.WriteLine("Want to try again? Type y to quit or anything else to continue"); 

choice=Console.ReadLine();

Console.Clear();}

}}