DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
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This Pool Water Analysis calculator was manufactured
in April 1979 by Texas Instruments in Abilene, TX (Date code ATA 1779» wk 17 yr 1979).
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| The
backside of the Pool Water Analysis calculator with the
battery and lid of the Solid State Software Module compartment removed.  |
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| The OLIN
Pool Water Analysis module with copyrights from 1979.
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Inside the
module we located a standard TMC0540 with a ZA5539 ROM-Code.
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| The base calculator of
this Pool Water Analysis calculator is a standard TI-58C manufactured in 1979.
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If you have additions to the above article please email: joerg@datamath.org.
© Mark Bollman and Joerg Woerner, August 3, 2008. No reprints without written permission.
