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