Triumph 109T (EC28A)
The Triumph 109T is a scientific calculator with 8 digits precision and algebraic logic. It has 23 functions, 37 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA. Note: Adler 109T
Facts at a glance:
If you have a Triumph 109T that is no longer working, you can first try replacing the 4xAA 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: