Hiradastechnika PTK-1023 (Scientist PR)
The Hiradastechnika PTK-1023 is a programmable calculator with 8 digits precision and RPN (reverse polish notation) logic. It has 20 functions, 39 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 3xAAA sealed. The calculator was manufactured in Hungary. Note: National Semiconductor or Novus 4525 Scientist
Facts at a glance:
|Power Source||3xAAA sealed|
If you have a Hiradastechnika PTK-1023 that is no longer working, you can first try replacing the 3xAAA sealed 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: