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Additional Pictures 

 

Close-up view of the MK5010 single-chip calculator circuit used with the Rapid Data Rapidman 800 manufactured in February 1973.
PMOS Technology, 40-pin Ceramic DIP 1-bit serial Register Processor, Hard-wired Instructions, 2*48 Bits + 12 Bit Data SAM. Chip manufactured December 1972.



Die Photo of the MK5010 courtesy of Sean Riddle.


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

© Joerg Woerner, June 28, 2026. No reprints without written permission.