DATAMATH CALCULATOR MUSEUM
box of the Royal CBC 80NT Checkbook Calculator sold around 1987
in the US.
Royal CBC 80NT Checkbook Calculator
manufactured in 1987 in Taiwan.
|The printed circuit board
(PCB) of the Royal CBC 80NT manufactured in 1987
doesn't reveal type and manufacturer of its
single-chip calculator circuit but we are almost positive to spot a Toshiba T7752S.
view of the Toshiba T7752S single-chip calculator
|Close-up view of the PCB-Mark of a
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© Joerg Woerner, February 13, 2020. No reprints without written permission.