DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The sales
box of the Royal LCB 835 Checkbook Calculator sold around 1983
in the US. |
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| The Royal LCB 835 Checkbook
Calculator in its clutch purse with holder for a
checkbook, notepad and pen.
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| This
Royal LCB 835 Checkbook Calculator
was
manufactured in July 1983 in Taiwan.
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The Royal LCB 835 Checkbook
Calculator is powered by two LR54 (LR1130) batteries. |
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| The printed circuit board
(PCB) of the Royal LCB 835 Checkbook Calculator is centered around a NEC uPD1831G single-chip calculator circuit.
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| Close-up
view of the NEC uPD1831G single-chip calculator circuit.
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Close-up view of the PCB-Mark of a Royal LCB 835 calculator.  |
Close-up view of the jumper on the PCB of a Royal LCB 835 calculator.  |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, February 5, 2020. No reprints without written permission.
