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Additional Pictures 

 

The small display of the PS-2100+ Databank.

 The single-chip microcontroller in chip-on-board
technique of the PS-2100+.

 The single-chip microcontroller in chip-on-board
technique of the PS-20/20 looks similiar.


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

Joerg Woerner, June 13, 2003. No reprints without written permission.