DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| This
Unisonic Model 1040-1
was
manufactured in December 1977 in Taiwan.
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The Unisonic Model 1040-1 calculator
is powered by four AAA-size batteries. |
| The Unisonic Model 1040-1 with its
front cover removed.
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| The printed circuit board
(PCB) of the Unisonic Model 1040-1 calculator is centered around a TMS1044 single-chip calculator circuit.
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| The
Close-up
view of the TMS1044 single-chip calculator circuit.
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| The Close-up
view of the FUTABA 9-ST-08A Vacuum Fluorescent Display (VFD).
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, November 13, 2022. No reprints without written permission.
