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/*

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import javax.microedition.midlet.; import javax.microedition.lcdui.; /**

• @author user */ public class CalculatorMidlet extends MIDlet implements CommandListener { private Display d; private Form f; private TextField tf1,tf2; private ChoiceGroup cg; private StringItem si; private Command exit,calculate; private int a,s,m,div;

  public CalculatorMidlet() { d=Display.getDisplay(this); f=new Form("Calculator");

   exit=new Command("Exit",Command.EXIT,0);
   calculate=new Command("Calculate",Command.SCREEN,0);
   f.addCommand(exit);
   f.addCommand(calculate);
   f.setCommandListener(this);
  
  
   tf1=new TextField("Number1","",4,TextField.NUMERIC);