Bohn omnitrex M
The Bohn omnitrex M is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 20 keys, and a VFD (vacuum fluorescent) display. The power source is 5xAA batteries.
Facts at a glance:
| Feature | Value | 
|---|---|
| Type | Arithmetic | 
| Functions | 5 | 
| Keys | 20 | 
| Precision | 8 | 
| Logic | Algebraic | 
| Display type | VFD | 
| Length | 165mm | 
| Width | 102mm | 
| Power Source | 5xAA batteries | 
| Year introduced | 1974 | 
Replacements:
If you have a Bohn omnitrex M that is no longer working, you can first try replacing the 5xAA batteries. 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: