DATAMATH  CALCULATOR  MUSEUM

Additional Pictures 

 

The Heathkit OCW-1401 side by side with a National Semiconductor 4650.

The printed circuit board with 3 MOSTEK MK3870 microcomputers.

The shortcuts on the backside of the calculator.


horizontal rule

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

Joerg Woerner, May 23, 2002. No reprints without written permission.