DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The sales
box of the Royal LCB 830 Checkbook Calculator sold around 1983
in the US.  |
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The sales box of a Royal LCB 830 Checkbook Calculator sold around
1985
in the US. |
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| The Royal LCB 830 Checkbook
Calculator in its in its sleeve with holder for a
checkbook and pen.
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| This
Royal LCB 830 Checkbook Calculator
was
manufactured in May 1983 in Taiwan.
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The Royal LCB 830 Checkbook
Calculator is powered by two LR54 (LR1130) batteries. |
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| The printed circuit board
(PCB) of the Royal LCB 830 Checkbook Calculator is centered around a NEC uPD1832G single-chip calculator circuit.
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| Close-up
view of the NEC uPD1832G single-chip calculator circuit.
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Close-up view of the PCB-Mark of a Royal LCB 830 calculator.  |
Close-up view of the jumper on the PCB of a Royal LCB 830 calculator.  |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, February 27, 2020. No reprints without written permission.
