Radio Shack EC-4024
The Radio Shack EC-4024 is a programmable calculator with 10 digits precision and algebraic logic. It has 44 keys, and an LCD (liquid crystal) display. The power source is 1.5V mercury cell.
Facts at a glance:
|Power Source||1.5V mercury cell|
If you have a Radio Shack EC-4024 that is no longer working, you can first try replacing the 1.5V mercury cell battery. 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: