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Additional Pictures 

 

The whole electroncis of  TI-55 fits on the display board. 

An early prototype of the TI-55 misses the date code
on the single-chip calculator circuit.

The electronics of the TI-57 Programmable 
looks more or less identical.


horizontal rule

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

Joerg Woerner, July 5, 2002. No reprints without written permission.