DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The Radio Shack EC-303
CHRONOMATH LCD calculator in Clock mode. |
| This
Radio Shack EC-303 CHRONOMATH LCD calculator
was
manufactured in August 1981 in Taiwan (Date code 8A1 » mth 08 yr 1981).
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| The printed circuit board
(PCB) of the Radio Shack EC-303 calculator is centered around a NEC uPD1032G single-chip calculator circuit.
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| Close-up
view of the NEC uPD1032G single-chip calculator
circuit.
|
Close-up view of the
PCB-Mark of an EC-303. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, April 19, 2020. No reprints without written permission.
