DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The National Semiconductor NS107 in its
wallet with holder for a credit card and bills.
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This National Semiconductor NS107 calculator was manufactured around 1980 in Taiwan. | |
The National Semiconductor
NS107 calculator is powered by two LR43 batteries. |
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The printed circuit board
(PCB) of the National Semiconductor NS107 calculator
hides the part number of the single-chip calculator circuit.
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Close-up
view of the unknown NEC single-chip calculator
circuit from the uPD1833G series.
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Close-up view of the PCB-Mark
of a NS107. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, February 6, 2020. No reprints without written permission.