Additional Pictures 


The sales box of the TI-503 sold in 1992 in Germany.

This TI-503 was manufactured in February 1991 by 
Nam Tai Electronics in China (Date code N-0291 mth 02 yr 1991).

The printed circuit board (PCB) of the TI-503 is centered
around a single-chip calculator circuit.

horizontal rule

If you have additions to the above article please email:

Joerg Woerner, December 12, 2010. No reprints without written permission.