Compex 5501
The Compex 5501 is a scientific calculator with algebraic logic. It has 35 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Scientific |
| Keys | 35 |
| Logic | Algebraic |
| Display type | YLCD |
| Year introduced | 1975 |
Replacements:
If you have a Compex 5501 that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current model as a replacement: