Texas Instruments BA-55 (Professional Business Analyst)
The Texas Instruments BA-55 is a finance calculator with 8 digits precision and algebraic logic. It has 45 keys, and an LCD (liquid crystal) display. The power source is 2xLR44. The calculator was manufactured in USA.
Facts at a glance:
If you have a Texas Instruments BA-55 that is no longer working, you can first try replacing the 2xLR44 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: