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Additional Pictures 

 

This BA-20 Profit Manager Calculator was manufactured in April 2000 by 
Inventec Corporation in Shanghai, China (Date code S-0400A mth 04 yr 2000).

The BA-20 Profit Manager Calculator was manufactured in May 2000 by 
Inventec Corporation in Shanghai, China (Date code S-0500 mth 05 yr 2000).

The printed circuit board (PCB) of the BA-20 is centered
around an Inventa LI3163 single-chip calculator circuit.

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, April 5, 2020. No reprints without written permission.