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Additional Pictures 

 

The keyboard with 4 sliding switches and the Status Indicators

The TI-620 is built around the heavy printer mechanism. 

The rare view of a TMS0203 / TMC0221 / TMC0306 / TMC0406
calculator
chip set. 

 

The huge printed circuit board (PCB) of the TI-620 desktop calculator.

 


horizontal rule

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

Joerg Woerner and Larry Corrado, March 26, 2003. No reprints without written permission.