Unisonic 733
The Unisonic 733 is an arithmetic calculator with algebraic logic. It has 8 functions, and a VFD (vacuum fluorescent) display. The power source is 4xAA batteries.
Facts at a glance:
| Feature | Value | 
|---|---|
| Type | Arithmetic | 
| Functions | 8 | 
| Logic | Algebraic | 
| Display type | VFD | 
| Length | 152mm | 
| Width | 89mm | 
| Power Source | 4xAA batteries | 
| Year introduced | 1975 | 
Replacements:
If you have a Unisonic 733 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: