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Additional Pictures 

 

This Unisonic XL-1105 (Version 2) calculator was manufactured in 1986 by Cal-Comp Electronics in Taiwan.

The printed circuit board (PCB) of the Unisonic XL-1105 (Version 2) calculator is
centered around an unknown Sharp single-chip calculator circuit.

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

Close-up view of the PCB-Mark of an later XL-1105.


horizontal rule

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

Joerg Woerner, April 13, 2020. No reprints without written permission.