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Additional Pictures 

 

The sales box of the Dual Power Scientific Calculator sold in 2014 by fred's in the US.

This Dual Power Scientific Calculator was manufactured in 2014.

The printed circuit board (PCB) of the Dual Power Scientific Calculator.

The manufacturer of the Dual Power Scientific Calculator placed his logo on the PCB.

Running Mike Sebastian's Calculator Forensics.


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

Joerg Woerner, December 30, 2014. No reprints without written permission.