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Additional Pictures 

 

This Rapidman 800 was manufactured in December 1972 in Canada.
The Rapidman 800 is powered by a disposable 9V battery.
The Rapidman 800 with its housing folded open.
The Rapidman 800 features a one-piece molded housing.
The Rapidman calculator with its housing removed.

The one-piece molded subframe of the Rapidman 800 calculator.
The Main printed circuit board (PCB) of the Rapidman 800 is centered
around a Mostek MK5010P single-chip calculator circuit.
Close-up view of the Mostek MK5010P single-chip calculator circuit.
Close-up view of the 3 Litronix DL-33 Seven-Segment LED Displays.


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

© Joerg Woerner, May 7, 2003 and July 5, 2026. No reprints without written permission.