DATAMATH  CALCULATOR  MUSEUM

Additional Pictures 

 

Three calculators using the original Klixon™ keyboard (from left to right):

Radio Shack EC-200

Montgomery Ward P800

Longines Symphonette EC


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

© Joerg Woerner, October 11, 2002. No reprints without written permission.