Unisonic 911-C
The Unisonic 911-C 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 3xAAA batteries. The calculator was manufactured in Japan. Note: Photo supplied by Chris Lewis - CLewis at HachUltra.com
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 6 |
| Keys | 19 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | VFD |
| Length | 95mm |
| Width | 64mm |
| Thickness | 23mm |
| Power Consumption | 0.300000W |
| Power Source | 3xAAA batteries |
| Country | Japan |
| Year introduced | 1975 |
Replacements:
If you have a Unisonic 911-C that is no longer working, you can first try replacing the 3xAAA 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: