DATAMATH  CALCULATOR  MUSEUM

Additional Pictures 

 

The sales box of the Royal CBC 70 Checkbook Calculator sold around October 1989 in the US.



The Royal CBC 70 Checkbook Calculator in its sleeve with holder for a checkbook and pen.

This Royal CBC 70 Checkbook Calculator was manufactured in November 1988 in Taiwan.

The printed circuit board (PCB) of the Royal CBC 70 Checkbook Calculator is centered
around a Sharp LI3330MT single-chip calculator circuit.


Close-up view of the Sharp LI3330MT single-chip calculator circuit.

Close-up view of the PCB-Mark of the CBC 70.


horizontal rule

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

© Joerg Woerner, February 27, 2020. No reprints without written permission.