The Commodore 5R39 is a scientific calculator with 10 digits precision and algebraic logic. It has 30 functions, 39 keys, and a VFD (vacuum fluorescent) display. The power source is 3xAA sealed.
Facts at a glance:
|Power Source||3xAA sealed|
If you have a Commodore 5R39 that is no longer working, you can first try replacing the 3xAA sealed batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current model as a replacement: