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Additional Pictures 

 

This TI professional was manufactured for Koh-I-Noor in March 1978 by
Texas Instruments in Italy (Date code RCI 0978 » wk 09 yr 1978).
The whole electronics of the TI professional calculator
fits on the display printed circuit board (PCB).


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

© Joerg Woerner, October 26, 2014. No reprints without written permission.