Texas Instruments TI-2550 III
The Texas Instruments TI-2550 III is an arithmetic calculator with 8 digits precision and algebraic logic. It has 10 functions, 28 keys, and a VFD (vacuum fluorescent) display. The power source is AA batteries. The calculator was manufactured in Italy; USA.
Facts at a glance:
If you have a Texas Instruments TI-2550 III that is no longer working, you can first try replacing the AA 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: