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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:

FeatureValue
TypeProgrammable
Functions20
Keys39
Precision8
LogicRPN
Display typeLED
Length150mm
Width75mm
Thickness31mm
Power Source3xAAA sealed
CountryHungary
Year introduced1975

Replacements:

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:

See other calculators by Hiradastechnika