DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| This
early TI-57 II manufactured in Taiwan hides the Secondary microcomputer and makes use of a rigid PCB.
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The TP0456 microcomputer
based Primary-Secondary architecture found in the TI-57 II calculator. The CD4572 is the Primary chip, the smaller CD4555 the Secondary chip.
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| The TI-53 calculator
makes use of the original TP0323
microcomputer introduced already in 1978.
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, June 13, 2003. No reprints without written permission.
