Texas Instruments TI-57 II
The Texas Instruments TI-57 II is a programmable calculator with 8 digits precision and algebraic logic. It has 45 keys, and an LCD (liquid crystal) display. The power source is 2xLR44 cells. The calculator was manufactured in Italy; Taiwan. A sample of this calculator is held in the calculator.org collection.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Programmable |
| Keys | 45 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | LCD |
| Length | 137mm |
| Width | 71mm |
| Thickness | 11mm |
| Weight | 87g |
| Power Source | 2xLR44 cells |
| Country | Italy; Taiwan |
| Original price | $40 |
| Year introduced | 1984 |
| Year discontinued | 1989 |
Replacements:
If you have a Texas Instruments TI-57 II that is no longer working, you can first try replacing the 2xLR44 cells. 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: