The Commodore 774D is an arithmetic calculator with 7 digits precision and algebraic logic. It has 4 functions, 17 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is PP3 9V. The calculator was manufactured in UK; USA. Note: Same processor as 776M model. Available with a commodore label in black/white or white/black.
Facts at a glance:
|Power Source||PP3 9V|
If you have a Commodore 774D that is no longer working, you can first try replacing the PP3 9V battery. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements: