Radio Shack EC-312 (ASTRO)
The Radio Shack EC-312 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 19 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA. Note: Kosmo Astro Biorhythm calculator
Facts at a glance:
If you have a Radio Shack EC-312 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: