Texas Instruments TI-2550 II
The Texas Instruments TI-2550 II is an arithmetic calculator with 8 digits precision and algebraic logic. It has 9 functions, 27 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA sealed. The calculator was manufactured in Italy; USA.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 9 |
| Keys | 27 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | VFD |
| Length | 147mm |
| Width | 81mm |
| Thickness | 32mm |
| Power Source | 2xAA sealed |
| Country | Italy; USA |
| Year introduced | 1975 |
| Year discontinued | 1976 |
Replacements:
If you have a Texas Instruments TI-2550 II that is no longer working, you can first try replacing the 2xAA sealed. 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: