DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| This
Unitrex 1000
was
manufactured in September 1977 in Hong Kong.
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The Unitrex 1000 calculator is
powered by a 9V battery. |
| The Unitrex 1000 with its
front cover removed.
|
| The printed circuit board
(PCB) of the Unitrex 1000 calculator is centered around a MOS MPS7650 single-chip calculator circuit.  |
| The
Close-up
view of the MOS Technology MPS7560 single-chip calculator circuit.
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| The
Close-up
view of the HR-1001 LED Display.
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, February 14, 2023. No reprints without written permission.
