// SquareRoots4.java - enter doubles
// Math is a class that houses PI E  SIN() COS() ...
import tio.*;
public class SquareRoots4 {
  public static void main(String[] args) {
    double square_root,fdbl;
    //either 10 roots or enter 0
    System.out.println("Enter a double or 0:");
    fdbl = Console.in.readDouble();
    while (fdbl < 0.0) {
       System.out.println("Enter a double or 0:");
       fdbl = Console.in.readDouble();
    }
      square_root = Math.sqrt(fdbl);
      fdbl = (int)(1000 * square_root);
      System.out.println("the square root is " + fdbl/1000.0);
   
    System.out.println("That's All!");
  }
}