Texas Instruments GALAXY 9x
The Texas Instruments GALAXY 9x is an arithmetic calculator with 8 digits precision and algebraic logic. It has 27 functions, 45 keys, and an LCD (liquid crystal) display. The power source is CR2032 3V. The calculator was manufactured in Italy.
Facts at a glance:
|Power Source||CR2032 3V|
Note that diagnostic tests generally delete any data on the calculator. Be sure to back up any important information held in the calculator before running these tests.
Turn calculator off, and press the backspace, open parenthesis and 8 keys simultaneously, then press the ON button. Then press 6 and then 7. Press ON to exit test mode.
If you have a Texas Instruments GALAXY 9x that is no longer working, you can first try replacing the CR2032 3V battery. 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: