Additional Pictures 


This TI-31 was manufactured in June 1987 by
Toshiba in Japan (Date code T-0687 mth 06 yr 1987).

The printed circuit board (PCB) of the TI-31 sports a typical Toshiba design.

The TI-31 is centered around a Toshiba T6974S single-chip calculator circuit.

horizontal rule

If you have additions to the above article please email:

Joerg Woerner, February 11, 2019. No reprints without written permission.