Radio Shack EC-402
The Radio Shack EC-402 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 25 keys, and an LCD (liquid crystal) display. Note: Cat No. 65-689
Facts at a glance:
If you have a Radio Shack EC-402 that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: