Additional Pictures 


This Technico SL-881 Small Desktop calculator was manufactured in October 1984 in Taiwan.

The printed circuit board (PCB) of the Technico SL-881 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
the SL-881.

horizontal rule

If you have additions to the above article please email:

Joerg Woerner, April 23, 2020. No reprints without written permission.