Additional Pictures 


This TI-1020 was manufactured in December 1980
in Taiwan (Date code 4980 week 49 yr 1980).

The dismantled TI-1020 hides its true manufacturer.

The printed circuit board (PCB) of the TI-1020 is centered
around a Sharp LI3009 single-chip calculator circuit.

The Sharp LI3009 Integrated Circuit.

horizontal rule

If you have additions to the above article please email:

Joerg Woerner, March 4, 2010. No reprints without written permission.