APF MARK 24
The APF MARK 24 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 24 keys, and a VFD (vacuum fluorescent) display.
Facts at a glance:
If you have an APF MARK 24 that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: