DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The sales
box of the National Semiconductor NS103A Data Checker sold around 1982
in the US. |
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| The National Semiconductor NS103A
Data Checker in its
sleeve with holder for a checkbook and pen.
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| This
National Semiconductor NS103A Data Checker calculator
was
manufactured in November 1981 in Taiwan. The label of a NS103A manufactured earlier is pictured below.
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The National Semiconductor NS103A Data
Checker calculator
is powered by two LR44 batteries. |
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| The printed circuit board
(PCB) of the National Semiconductor NS103A Data Checker calculator is centered around a NEC uPD1833G single-chip calculator circuit.
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| Close-up
view of the NEC uPD1833G single-chip calculator
circuit.
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Close-up view of the PCB-Mark of the NS103A. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, January 3, 2020. No reprints without written permission.
