DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| The Main printed circuit
board (PCB) of the modified SR-50A calculator with a TMC0501 Arithmetic Chip from an early SR-50.
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Close-up
view of the TMC0501 Arithmetic Chip from an SR-50 and the TMC0521 SCOM Chip from an SR-50A.
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, August 31, 2023. No reprints without written permission.
