Texas Instruments SR-51-II
The Texas Instruments SR-51-II is a scientific calculator with 8 digits precision and algebraic logic. It has 58 functions, 40 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 2xAA sealed. The calculator was manufactured in Italy; USA.
Facts at a glance:
|Power Source||2xAA sealed|
If you have a Texas Instruments SR-51-II that is no longer working, you can first try replacing the 2xAA 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: