Royal Digital III
The Royal Digital III is an arithmetic calculator with 4 digits precision and algebraic logic. It has 6 functions, 19 keys, and a VFD (vacuum fluorescent) display. The power source is 6xAA sealed. Note: Uses circuit board contacts and electrical stylus, like the Stylophone electronic organ.
Facts at a glance:
|Power Source||6xAA sealed|
If you have a Royal Digital III that is no longer working, you can first try replacing the 6xAA 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 models as possible replacements: