The Hiradastechnika PTK-1050 is a programmable calculator with 8 digits precision and algebraic logic. It has 40 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 2xAA. The calculator was manufactured in Hungary. Note: TI-57
Facts at a glance:
If you have a Hiradastechnika PTK-1050 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 model as a replacement: