Royal LCB841 (Checkbook Calculator)
The Royal LCB841 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 31 keys, and an LCD (liquid crystal) display. The power source is 2x1.5V cell.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 5 |
| Keys | 31 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | LCD |
| Length | 65mm |
| Width | 153mm |
| Thickness | 6mm |
| Power Source | 2x1.5V cell |
| Year introduced | 1985 |
Replacements:
If you have a Royal LCB841 that is no longer working, you can first try replacing the 2x1.5V cell. 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: