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Additional Pictures 

 

This BA-20 Profit Manager Calculator was manufactured in August 1997 by 
Inventec Corporation in Malaysia (Date code I-0897 mth 08 yr 1997).

The printed circuit board (PCB) of the BA-20 is centered around an Inventa LI3163 single-chip calculator circuit.
Please notice the empty space for the backup battery.

Close-up view of the clock module.

Close-up view of the Inventa LI3163 single-chip calculator circuit.

 Close-up view of the PCB-Mark of a BA-20.


horizontal rule

If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, March 19, 2020. No reprints without written permission.