DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| This
Radio Shack EC-306 calculator
was
manufactured in January 1985 in Hong Kong
(Date code 1A5 » mth 01 yr 1985).
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The Radio Shack EC-306 calculator
is powered by two LR44 (G13) batteries. |
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| The printed circuit board
(PCB) of the Radio Shack EC-306 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 a EC-306. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, January 15, 2020. No reprints without written permission.
