Radio Shack EC-4025
The Radio Shack EC-4025 is a scientific calculator with 10 digits precision and algebraic logic. It has 177 functions, 82 keys, and an LCD (liquid crystal) display. The power source is 2xSR44. The calculator was manufactured in Taiwan. Note: TI SC-10
Facts at a glance:
If you have a Radio Shack EC-4025 that is no longer working, you can first try replacing the 2xSR44 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: