Texas Instruments TI-1775 PLUS
  The Texas Instruments TI-1775 PLUS is an arithmetic calculator with 8 digits precision and algebraic logic. It has 8 functions, 27 keys, and an LCD (liquid crystal) display. The power source is LR44 1.5V. The calculator was manufactured in Thailand. Note: time
Facts at a glance:
| Feature | Value | 
|---|---|
| Type | Arithmetic | 
| Functions | 8 | 
| Keys | 27 | 
| Precision | 8 | 
| Logic | Algebraic | 
| Display type | LCD | 
| Length | 157mm | 
| Width | 135mm | 
| Thickness | 10mm | 
| Power Source | LR44 1.5V | 
| Country | Thailand | 
| Year introduced | 1996 | 
| Year discontinued | 1996 | 
Replacements:
If you have a Texas Instruments TI-1775 PLUS that is no longer working, you can first try replacing the LR44 1.5V. 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: