Texas Instruments TI-20
The Texas Instruments TI-20 is a scientific calculator with 8 digits precision and algebraic logic. It has 28 functions, 37 keys, and an LCD (liquid crystal) display. The power source is 2xLR44. The calculator was manufactured in Italy.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Scientific |
| Functions | 28 |
| Keys | 37 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | LCD |
| Length | 134mm |
| Width | 74mm |
| Thickness | 10mm |
| Power Source | 2xLR44 |
| Country | Italy |
| Year introduced | 1979 |
| Year discontinued | 1980 |
Replacements:
If you have a Texas Instruments TI-20 that is no longer working, you can first try replacing the 2xLR44 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: