package rebelsky.sqrt;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.math.BigDecimal;

public class TestRoot1 {
        public static void main (String [] args)
                throws Exception
        {
                PrintWriter pen= new PrintWriter(System.out, true);
                InputStreamReader istream = new InputStreamReader(System.in);
                BufferedReader eyes = new BufferedReader(istream);
                pen.println("please enter a number. this is a square root calculator:");
                double num = Double.parseDouble(eyes.readLine());
                BigDecimal num1=BigDecimal.valueOf(num);
                BigDecimal num2=BigDecimal.valueOf(1.0);
                BigDecimal result= MyMath1.sqrt(num1, num2);
               
                pen.println(result);
        }
}