package sut;        // update this line based on where your file is

public class Calculator {

   public int add(int a, int b)
   {
      return a + b;
   }
   
   public int multiply(int a, int b)
   {
      return a * b;
   }
   
   public double squareroot(int a)
   {
      return  java.lang.Math.sqrt(a);
   }
   
   public double divide(int a, int b)
   {
      return a / b;
   }
}