Additional Pictures 


The sales box of a Technico SL-600 calculator sold in 1986 in the United States.

This Technico SL-600 was manufactured in March 1986 in Taiwan.

The printed circuit board (PCB) of the Technico SL-600 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 Technico SL-600.

horizontal rule

If you have additions to the above article please email:

Joerg Woerner, April 16, 2020. No reprints without written permission.