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Additional Pictures 

 

The sleek shape of the original Checkmate.

The dismantled Checkmate with the Litronix display
modules, discrete display drivers and an early
Litronix LIT-019 calculator circuit.

The label on the backside of the Checkmate explains
the 12 digits calculating capacity.

 


horizontal rule

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

© Joerg Woerner, October 24, 2002. No reprints without written permission.