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Additional Pictures 

 

Four different TI-1200 calculators manufactured first half and second half 
of 1975 (upper row left and right), in 1976 and 1977 (lower row).
Even the labels on the backside of the calculators changed from time to time:


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

© Joerg Woerner, July 3, 2002. No reprints without written permission.