package
{
import flash.display.MovieClip;
import flash.events.*;
import flash.ui.Mouse;
public class Calculator extends MovieClip
{
var numbers:Array; //All numbers from 0 to 9.
var operators:Array; //Operators: divide, multiply, subtract, add, equal.
var op:String; //Can understand what operations we want to do, for example if we click add_btn we will hold it with this variable.
var num1:Number; //This is the first number what we click before click [...]