Texas Instruments SR-51A
The Texas Instruments SR-51A is a scientific calculator with 10 digits precision and algebraic logic. It has 42 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 Holland; USA.
Facts at a glance:
|Power Source||3xAA sealed|
If you have a Texas Instruments SR-51A that is no longer working, you can first try replacing the 3xAA sealed batteries. 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: