Triumph 80C (EC21)
The Triumph 80C is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 19 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 4xAAA. Note: Adler 80C
Facts at a glance:
If you have a Triumph 80C that is no longer working, you can first try replacing the 4xAAA batteries. 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: