The Hiradastechnika PTK-1090 is a programmable calculator with 8 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 3xSealed. The calculator was manufactured in Hungary. Note: APF Mark 90
Facts at a glance:
If you have a Hiradastechnika PTK-1090 that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current model as a replacement: