APF MARK 68r
The APF MARK 68r is a scientific calculator with 8 digits precision and algebraic logic. It has 25 functions, 28 keys, and a VFD (vacuum fluorescent) display. The power source is Sealed battery pack.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Scientific |
| Functions | 25 |
| Keys | 28 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | VFD |
| Length | 127mm |
| Width | 70mm |
| Power Source | Sealed battery pack |
| Year introduced | 1977 |
Replacements:
If you have an APF MARK 68r that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current model as a replacement: