Listing 1

on(press)
{
	var due:Number = Number(this._parent.balanceDue_txt.text);
	var paid:Number = Number(this._parent.amountPaid_txt.text);
	var newBalance:Number = due - paid;
	if (newBalance > 0)
	{
		this._parent.message_txt.text = "You have a balance of " + newBalance;
	}
	else if(newBalance < 0)
	{
		this._parent.message_txt.text = "You have a credit of " + newBalance;
	}
	
}


Listing 2

on(press)
{
	var due:Number = Number(this._parent.balanceDue_txt.text);
	var paid:Number = Number(this._parent.amountPaid_txt.text);
	var newBalance:Number = due - paid;
	if (newBalance > 0)
	{
		this._parent.message_txt.text = "You have a balance of " + newBalance;
	}
	else if(newBalance < 0)
	{
		this._parent.message_txt.text = "You have a credit of " + -newBalance;
	}
	else if(newBalance = = 0)
	{
		this._parent.message_txt.text = "You are paid in full";
	}
	
}

Listing 3

on(press)
{
	var due:Number = Number(this._parent.balanceDue_txt.text);
	var paid:Number = Number(this._parent.amountPaid_txt.text);
	var newBalance:Number = due - paid;
	if (newBalance > 0)
	{
		this._parent.message_txt.text = "You have a balance of " + newBalance;
	}
	else if(newBalance < 0)
	{
		this._parent.message_txt.text = "You have a credit of " + -newBalance;
	}
	else if(newBalance == 0)
	{
		this._parent.message_txt.text = "You are paid in full";
	}
	else
	{
		this._parent.message_txt.text = "You did not enter a number";
	}
	
}


Listing 4

var selection:Number = Number(selection_txt.text);

switch (selection)
{
   case 1:
      message_txt.text = "You have selected 1";
   break;

   case 2:
      message_txt.text = "You have selected 2";
   break;

   case 3:
      message_txt.text = "You have selected 3";
   break;

   default:
      message_txt.text = "You have not selected a number";
}