APF 5539
The APF 5539 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 28 keys, and an LCD (liquid crystal) display.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Keys | 28 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | LCD |
| Length | 57mm |
| Width | 89mm |
| Year introduced | 1985 |
Replacements:
If you have an APF 5539 that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: