Texas Instruments SR-50A
The Texas Instruments SR-50A is a scientific calculator with 10 digits precision and algebraic logic. It has 30 functions, 40 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is 3xAA sealed. The calculator was manufactured in Italy; USA.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Scientific |
| Functions | 30 |
| Keys | 40 |
| Precision | 10 |
| Logic | Algebraic |
| Display type | LED |
| Length | 145mm |
| Width | 80mm |
| Thickness | 33mm |
| Power Source | 3xAA sealed |
| Country | Italy; USA |
| Year introduced | 1975 |
| Year discontinued | 1976 |
Replacements:
If you have a Texas Instruments SR-50A that is no longer working, you can first try replacing the 3xAA sealed. 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: