DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The sales
box of an early Unisonic LC 226CK calculator sold around 1989
in the US.  |
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The Unisonic LC 226CK Checkbook
Balancer in its
sleeve with holder for a checkbook, credit cards and pen. |
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| This
Unisonic LC 226CK calculator
was
manufactured in August 1991 in Thailand.
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| The printed circuit board
(PCB) of the Unisonic LC 226CK calculator is centered around a Sharp LI3330MT single-chip calculator circuit.
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| Close-up
view of the Sharp LI3330MT single-chip calculator
circuit.
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Close-up view of the PCB-Mark of the LC 226CK. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, January 15, 2020. No reprints without written permission.
