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Additional Pictures 

 

This Radio Shack EC-318 was manufactured in July 1990 by 
Cal-Comp Electronics in Taiwan (Date code 7A0 mth 07 yr 1990).

 

The printed circuit board (PCB) of the EC-318 is centered
around an unknown single-chip calculator circuit.

 Close-up view of the unknown single-chip calculator circuit.

 Close-up view of the PCB-Mark of a EC-318.


horizontal rule

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

Joerg Woerner, April 26, 2020. No reprints without written permission.