Brother 522SR
The Brother 522SR is a scientific calculator with 12 digits precision and algebraic logic. It has 30 functions, 40 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA sealed.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Scientific |
| Functions | 30 |
| Keys | 40 |
| Precision | 12 |
| Logic | Algebraic |
| Display type | VFD |
| Length | 158mm |
| Width | 93mm |
| Thickness | 26mm |
| Power Consumption | 0.500000W |
| Power Source | 4xAA sealed |
| Year introduced | 1975 |
| Year discontinued | 1978 |
Replacements:
If you have a Brother 522SR that is no longer working, you can first try replacing the 4xAA sealed. 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: