Unisonic 890
The Unisonic 890 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 19 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA batteries. The calculator was manufactured in Japan.
Facts at a glance:
Feature | Value |
---|---|
Type | Arithmetic |
Functions | 6 |
Keys | 19 |
Precision | 8 |
Logic | Algebraic |
Display type | VFD |
Length | 152mm |
Width | 89mm |
Power Source | 4xAA batteries |
Country | Japan |
Year introduced | 1975 |
Replacements:
If you have a Unisonic 890 that is no longer working, you can first try replacing the 4xAA 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: