Texas Instruments TI-30Xa
The Texas Instruments TI-30Xa is a scientific calculator with 10 digits precision and algebraic logic. It has 57 functions, 40 keys, and an LCD (liquid crystal) display. The power source is 2xLR44. The calculator was manufactured in Italy.
Facts at a glance:
If you have a Texas Instruments TI-30Xa that is no longer working, you can first try replacing the 2xLR44 batteries. If that doesn't solve the problem, then it's probably easiest to just buy a new one, as this model is still currently available.