DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| This
Bohsei Model 1000
was
manufactured in September 1977 in Hong Kong.
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The Bohsei Model 1000 calculator
is powered by two AA-size batteries. |
| The Bohsei Model 1000 with its
rear cover removed. .
|
The keyboard
and VF-Display of the Bohsei Model 1000.
 |
| The printed circuit board
(PCB) of the Bohsei Model 1000 calculator is centered around a TMS1044 single-chip calculator circuit.  |
| The
Close-up
view of the TMS1044 single-chip calculator circuit.
|
| The
Close-up
view of the ITRON DP84K Vacuum Fluorescent Display (VFD).
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, February 9, 2023. No reprints without written permission.
