Commodore 4109
The Commodore 4109 is an arithmetic calculator with algebraic logic. It has 10 functions, 27 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is Sealed battery pack. The calculator was manufactured in USA.
Facts at a glance:
| Feature | Value | 
|---|---|
| Type | Arithmetic | 
| Functions | 10 | 
| Keys | 27 | 
| Logic | Algebraic | 
| Display type | LED | 
| Power Source | Sealed battery pack | 
| Country | USA | 
| Year introduced | 1974 | 
Replacements:
If you have a Commodore 4109 that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: