Texas Instruments SR-40 LCD
The Texas Instruments SR-40 LCD is a scientific calculator with 8 digits precision and algebraic logic. It has 29 functions, 40 keys, and an LCD (liquid crystal) display. The power source is 2xAA. The calculator was manufactured in Brazil.
Facts at a glance:
If you have a Texas Instruments SR-40 LCD that is no longer working, you can first try replacing the 2xAA 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: