DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| This
Brother Model 827R (Version 2)
was
manufactured in Hong Kong in September 1974.
|
| The Brother 827R (Version 2) calculator is
powered by 3 AA-size NiCd
batteries.
|
The inside view
of the Brother 827R calculator with its upper housing part removed. |
| The printed circuit board (PCB) of the
Brother 827R calculator is centered around a TMS0603 single-chip calculator circuit.   |
Close-up view of the
TMS0603 single-chip calculator circuit. |
Close-up view of one of the two
SN75494 display drivers. |
Close-up view of the Hewlett-Packard
1130-0513 LED display module. |
Close-up view
of the keyboard assembly.  |
Close-up view
of the dismantled keyboard assembly.   |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, May 12, 2024. No reprints without written permission.
