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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
This Sinclair Scientific was
manufactured in October 1975 by Sinclair in the
United Kingdom.![]() |
The double-sided printed
circuit board (PCB) of the Sinclair Scientific is centered
around a TMC0805 single-chip calculator circuit and supported by two Full-custom chips labeled IFC1 and IFC2. |
The
keyboard of the Sinclair Scientific calculator with the two metal
frames holding the snap discs.![]() ![]() |
Close-up view of the
TMC0805 single-chip calculator circuit.![]() |
Close-up view of the
IFC1 Digit Full-custom chip.![]() |
Close-up view of the
IFC2 Digit Full-custom chip.![]() |
Close-up view of the
Bowmar LED display.![]() ![]() |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, December 19, 2021. No reprints without written permission.