Sharp EL-509A
The Sharp EL-509A is a scientific calculator with 8 digits precision and algebraic logic. It has 28 functions, 35 keys, and an LCD (liquid crystal) display. The power source is 2xLR44 cells.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Scientific |
| Functions | 28 |
| Keys | 35 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | LCD |
| Length | 118mm |
| Width | 65mm |
| Thickness | 8mm |
| Weight | 53g |
| Power Source | 2xLR44 cells |
| Year introduced | 1982 |
Replacements:
If you have a Sharp EL-509A that is no longer working, you can first try replacing the 2xLR44 cells. 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: