Texas Instruments BA-20 Profit Manager (Profit Manager)
The Texas Instruments BA-20 Profit Manager is an arithmetic calculator with 10 digits precision and algebraic logic. It has 7 functions, 32 keys, and an LCD (liquid crystal) display. The power source is LR41 (1.5Vcell) + LR1130 (3Vcell). The calculator was manufactured in Taiwan.
Facts at a glance:
|Power Source||LR41 (1.5Vcell) + LR1130 (3Vcell)|
If you have a Texas Instruments BA-20 Profit Manager that is no longer working, you can first try replacing the LR41 (1.5Vcell) + LR1130 (3Vcell) 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: