Radio Shack EC-4075 (Programmers Hextime Calculator)
The Radio Shack EC-4075 is an arithmetic calculator with algebraic logic. It has 8 functions, 27 keys, and an LCD (liquid crystal) display. The power source is 2xAA. Note: time
Facts at a glance:
If you have a Radio Shack EC-4075 that is no longer working, you can first try replacing the 2xAA batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: