Radio Shack EC-490
The Radio Shack EC-490 is a scientific calculator with 8 digits precision and algebraic logic. It has 26 functions, 25 keys, and a VFD (vacuum fluorescent) display. The power source is Sealed battery pack. Note: same case as Rockwell 63R
Facts at a glance:
|Power Source||Sealed battery pack|
If you have a Radio Shack EC-490 that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current model as a replacement: