Radio Shack EC-400
The Radio Shack EC-400 is an arithmetic calculator with algebraic logic. It has 8 functions, 25 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is Sealed battery pack. Note: Bowmar MX-90
Facts at a glance:
|Power Source||Sealed battery pack|
If you have a Radio Shack EC-400 that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: