DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The sales
box of the Tandy EC-306 Chequebook Calculator sold around 1986 in the
United Kingdom. |
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The Tandy EC-306
Chequebook Calculator in its
sleeve with holder for a checkbook and pen.
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This
Tandy EC-306 calculator
was
manufactured in January 1986 in Hong Kong
(Date code 1A6 » mth 01 yr 1986).
|
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The Tandy EC-306 calculator
is powered by two LR44 (G13) batteries. |
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The printed circuit board
(PCB) of the Tandy 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 Tandy EC-306. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, February 8, 2020. No reprints without written permission.