DATAMATH CALCULATOR MUSEUM
|The LC 224CKE Check
Master in its
sleeve with holder for a checkbook and pen.
Unisonic LC 224CKE Check Master calculator
manufactured in January 1983 in Taiwan.
|The Unisonic LC 224CKE calculator
is powered by two LR54 (LR1130) batteries.
|The printed circuit board
(PCB) of the Unisonic LC 224CKE calculator is centered
around a NEC uPD1832G single-chip calculator circuit.
view of the NEC uPD1832G single-chip calculator
Close-up view of the PCB-Mark and jumper of the LC
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© Joerg Woerner, February 13, 2020. No reprints without written permission.