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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The
Hewlett-Packard HP 30b Business Professional calculator in its package.
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The HP 30b Business
Professional is delivered with a very nice pouch.![]() |
This
Hewlett-Packard HP 30b Business Professional was manufactured
in April 2010 by a contract manufacturer in China.
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The printed
circuit board (PCB) of the HP 30b hides the
single-chip calculator circuit under a black epoxy blob.
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, May 16, 2011. No reprints without written permission.