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:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 6 |
| Keys | 19 |
| Precision | 4 |
| Logic | Algebraic |
| Display type | VFD |
| Length | 165mm |
| Width | 81mm |
| Thickness | 39mm |
| Power Consumption | 1.800000W |
| Power Source | 6xAA sealed |
| Year introduced | 1972 |
Replacements:
If you have a Royal Digital III that is no longer working, you can first try replacing the 6xAA sealed. 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: