Back Home Entrance to expert system

Print these, or open a new browser window to go between the pictures and the expert system. If your browser supports JavaScript, a new window will have already opened on top of the images to the left. In Windows you can use Alt - Tab to switch from the system to the window. Be careful how you view the coins, as slight imperfections might seem like design elements. Each of the questions in the expert system refers to something obvious. You want a clue? O.K. - "No. That's not a line through the pupil"