Texas Instruments DataChron (TI-1790)
The Texas Instruments DataChron 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 | 1978 |
| Year discontinued | 1978 |
Replacements:
If you have a Texas Instruments DataChron 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: