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Additional Pictures 

 

The sales box of a BA-20 Profit Manager Calculator sold in 2008 in the United States.


This BA-20 Profit Manager Calculator was manufactured in March 2007 by 
Inventec Corporation in Shanghai, China (Date code S-0307C mth 03 yr 2007).

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.