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Additional Pictures 

 

The Royal/Olivetti CBC 80 Checkbook Calculator in its sleeve with holder for a checkbook, credit cards and pen.

This Royal/Olivetti CBC 80 Checkbook Calculator was manufactured in 1990 in Thailand.

The printed circuit board (PCB) of the Royal/Olivetti CBC 80 manufactured in 1990 doesn't reveal type and manufacturer of its
single-chip calculator circuit but we are almost positive to spot a Toshiba T7752S.


Close-up view of the Toshiba T7752S single-chip calculator circuit.

Close-up view of the PCB-Marks of a CBC 80.




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

Joerg Woerner, February 13, 2020. No reprints without written permission.