Additional Pictures 


This TI-1798 Desktop Calculator was manufactured in January 1985 by 
Compal Electronics in Taiwan (Date code C-0185 mth 01 yr 1985).

The TI-1798 is powered by 4 solar cells with a LR54 (LR1130) backup battery and the clock module by a small LR41 battery.

The printed circuit board (PCB) of the TI-1798 is centered
around a Sharp LI3163 single-chip calculator circuit.

Close-up view of the clock module.

Close-up view of the Sharp LI3163 single-chip calculator circuit.

 Close-up view of the PCB-Mark of a TI-1798.

horizontal rule

If you have additions to the above article please email:

Joerg Woerner, March 18, 2020. No reprints without written permission.