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Additional Pictures 

 

This Sharp EL-8117K was manufactured in April 1977 in Korea.

The Sharp EL-8117K calculator is powered by two AA-size batteries.

The Sharp EL-8117K with its rear cover removed. .

The printed circuit board (PCB) of the Sharp EL-8117K calculator is centered
around a TMS1042 single-chip calculator circuit.

The Close-up view of the TMS1042 single-chip calculator circuit.

The Close-up view of the FUTABA 9-ST-12 Vacuum Fluorescent Display (VFD).


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If you have additions to the above article please email: joerg@datamath.org.

© Joerg Woerner, February 12, 2023. No reprints without written permission.