Additional Pictures 


The sales box of a TI-1798 sold in 1991 in the United States.

This TI-1798 Desktop Calculator was manufactured in March 1991 by 
Inventec Corporation in Malaysia (Date code I-0391 mth 03 yr 1991).

The TI-1798 manufactured in Malaysia is powered by 4 solar cells and a small backup battery.

Close-up view of the Toshiba T9731BU single-chip calculator circuit.

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

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If you have additions to the above article please email:

Joerg Woerner, March 21, 2020. No reprints without written permission.