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Additional Pictures 

 

The Hewlett-Packard SmartCalc 300s calculator in its package

The dot matrix display of the SmartCalc 300s
in the "Math Format" mode.

The dot matrix display of the SmartCalc 300s
in the "Linear Format" mode.

This Hewlett-Packard SmartCalc 300s was manufactured in 2009 by a contract manufacturer in China.

The printed circuit board (PCB) of the SmartCalc 300s hides the single-chip 
calculator circuit under a black epoxy blob.


horizontal rule

If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, March 6, 2011. No reprints without written permission.