Enterprex M-90
The Enterprex M-90 is an arithmetic calculator with algebraic logic. It has 5 functions, and a VFD (vacuum fluorescent) display. The power source is 2xAA.
Facts at a glance:
Feature | Value |
---|---|
Type | Arithmetic |
Functions | 5 |
Logic | Algebraic |
Display type | VFD |
Length | 127mm |
Width | 70mm |
Power Source | 2xAA |
Year introduced | 1975 |
Replacements:
If you have an Enterprex M-90 that is no longer working, you can first try replacing the 2xAA 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: