DATAMATH  CALCULATOR  MUSEUM

Additional Pictures 

 

The EL-825 hides both the solar panels and the calculator circuitry.

The EL-825 was born obviously as a battery operated calculator
sporting two button style cells. They were replaced by solar cells.


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

Joerg Woerner, February 3, 2011. No reprints without written permission.