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Additional Pictures 

 

This Casio PRO fx-1 was manufactured in January 1978.

The Casio PRO fx-1 calculator dismantled with the magnetic card Reader.

The keyboard and printed circuit board (PCB) of the Casio PRO fx-1.

The PCB of the Casio PRO fx-1 with various Integrated Circuits manufactured by Hitachi.


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

Joerg Woerner, June 16, 2017. No reprints without written permission.