The Hiradastechnika PTK-1072 is a programmable calculator with 12 digits precision and algebraic logic. It has 45 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 3xAA. The calculator was manufactured in Hungary. Note: Commodore PR-100 version 2
Facts at a glance:
If you have a Hiradastechnika PTK-1072 that is no longer working, you can first try replacing the 3xAA batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent.
We suggest the following current model as a replacement: