Well, not quite.  One has the '4' key working
on the keypad, the other has
 the '/' key working.  But that's it. 
    Terry, if ONE of the keys is working, there must be a stuck key or a bad
contact in the connector betweek the controller board of the keyboard
(inside it, of course) and whatever brings the switch contacts to it
(probably a membrane). I'm sure you'll be very lucky on that :)