The number of different commodities that can be purchased with Scrap Dragon is virtually unlimited. Each button screen has 21 buttons. For a typical ferrous scale, all of the commodities will fit on a single screen, but 21 buttons is usually not enough for a nonferrous scale. However, any button can be designated to display an additional page of buttons. The most frequently purchased commodities would be put onto buttons on the home page and less frequently purchased commodities would be on additional pages that could be accessed by pressing a button on the home page
