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Additional Pictures 

 

This TI-1776 was manufactured in December 1982 by Toshiba
in Japan  (Date code 122 mth 12 yr 1982).

The printed circuit board (PCB) of the TI-1776 hides
the manufacturer and type of the calculator brain.

The backside of the PCB reveals a Toshiba T6789S
single-chip calculator circuit hidden under the solar cells.

Close-up view of the Toshiba T6789S single-chip calculator circuit.

Close-up view of the PCB-Mark of a TI-1776.


horizontal rule

If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, April 25, 2008. No reprints without written permission.