Texas Instruments TI-51-III
 
  The Texas Instruments TI-51-III is a programmable calculator with 8 digits precision and algebraic logic. It has 62 functions, 40 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is Sealed battery pack. The calculator was manufactured in Italy.
Facts at a glance:
| Feature | Value | 
|---|---|
| Type | Programmable | 
| Functions | 62 | 
| Keys | 40 | 
| Precision | 8 | 
| Logic | Algebraic | 
| Display type | LED | 
| Length | 145mm | 
| Width | 80mm | 
| Thickness | 33mm | 
| Power Consumption | 1.000000W | 
| Power Source | Sealed battery pack | 
| Country | Italy | 
| Year introduced | 1977 | 
| Year discontinued | 1981 | 
Replacements:
If you have a Texas Instruments TI-51-III that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: