Texas Instruments DataChron II (TI-1790 II)
The Texas Instruments DataChron II is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 31 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is 2xLR44 cells. The calculator was manufactured in Japan. Note: time
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 7 |
| Keys | 31 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | YLCD |
| Length | 135mm |
| Width | 68mm |
| Thickness | 9mm |
| Power Source | 2xLR44 cells |
| Country | Japan |
| Year introduced | 1979 |
| Year discontinued | 1983 |
Replacements:
If you have a Texas Instruments DataChron 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: