Radofin 870 (Professional Memory)
The Radofin 870 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 23 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is 4xAAA batteries.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 5 |
| Keys | 23 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | LED |
| Length | 136mm |
| Width | 65mm |
| Thickness | 21mm |
| Weight | 84g |
| Power Consumption | 0.300000W |
| Power Source | 4xAAA batteries |
| Year introduced | 1975 |
| Year discontinued | 1976 |
Replacements:
If you have a Radofin 870 that is no longer working, you can first try replacing the 4xAAA 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: