Texas Instruments TI-78
The Texas Instruments TI-78 is a programmable calculator with 10 digits precision and formula input logic. It has 39 keys, and an LCD (liquid crystal) display. The power source is Sealed battery pack + 1xCR2025 3V. The calculator was manufactured in Japan.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Programmable |
| Keys | 39 |
| Precision | 10 |
| Logic | Formula |
| Display type | LCD |
| Display size | 120 |
| Printer | External |
| Length | 142mm |
| Width | 79mm |
| Thickness | 23mm |
| Power Source | Sealed battery pack + 1xCR2025 3V |
| Country | Japan |
| Year introduced | 1989 |
| Year discontinued | 1990 |
Replacements:
If you have a Texas Instruments TI-78 that is no longer working, you can first try replacing the Sealed battery pack + 1xCR2025 3V. 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: