Litronix 2290 (programmable)
The Litronix 2290 is a programmable calculator with 8 digits precision and algebraic logic. It has 5 functions, 25 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 | Programmable |
| Functions | 5 |
| Keys | 25 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | LED |
| Length | 165mm |
| Width | 81mm |
| Thickness | 23mm |
| Power Source | 3xAA batteries |
| Year introduced | 1975 |
Replacements:
If you have a Litronix 2290 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 model as a replacement: