DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| The sleek
shape of the original Checkmate.
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The sleek
shape of the Checkmate 1002.
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| The dismantled
Checkmate with the Litronix display modules, discrete display drivers and an early Litronix LIT-019 calculator circuit.
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The dismantled
Checkmate 1002 with the Litronix display modules, an unusual display-driver and a unknown calculator circuit.
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| Three display
modules with the 7-segment LED displays and small plastic magnification lenses manufactured by Litronix.
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| The label
on the backside of the Checkmate explains the 12 digits calculating capacity.
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, October 24, 2002. No reprints without written permission.
