TRQ F-85
The TRQ F-85 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 20 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is 3xAA batteries.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 5 |
| Keys | 20 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | LED |
| Length | 140mm |
| Width | 73mm |
| Thickness | 37mm |
| Weight | 130g |
| Power Source | 3xAA batteries |
| Year introduced | 1976 |
| Year discontinued | 1976 |
Replacements:
If you have a TRQ F-85 that is no longer working, you can first try replacing the 3xAA 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: