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Additional Pictures 

 

This Radio Shack EC-200 calculator was manufactured by Texas Instruments in November 1973.
The boxy shape of the Radio Shack EC-200.

The internal construction of the EC-200
looks with the KLIXON™ keyboard 
very familiar to us.

The internal switch in the battery 
compartment allows both standard 
and rechargeable batteries.


horizontal rule

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

© Joerg Woerner, February 24, 2006. No reprints without written permission.