Rockwell 10R Handheld Electronic Calculator

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This handheld electronic calculator has a dark brown plastic case, a cream-colored keyboard, and sixteen rounded rectangular plastic keys. In addition to ten digit keys and a decimal point key, it has a clear entry/clear key, and four arithmetic function keys. Behind the keyboard is an eight-digit LED display. A mark behind the keyboard reads: Rockwell. A mark along the front edge reads:10R. The on/off switch is on the left side and the jack for a power adapter along the back edge.
The back has a battery compartment at the top for a nine volt battery. A sticker below this gives operating examples. It also reads: Microelectronic Product Division (/) Rockwell International (/) Anaheim CA 92803 (Calculator Model 10R (/) Assembled in Mexico (/) U.S. and Foreign Parts. Further text reads: Ser. (/) No. 184631.
The calculator has a plastic carrying case marked on the front: Rockwell.
Compare 1986.0988.014 (the Rockwell 12R).
[Advertisement], Washington Post, November 7, 1974, p. D16. Rockwell 10R advertised as selling for $29.95.
[Advertisement], Washington Post, May 30, 1975, p. A13. Rockwell 10R advertised as on sale for $18.00. Others charge $25.00.
Currently not on view
date made
Rockwell International
place made
Physical Description
metal (keyboard; trim; circuitry material)
plastic (keys; back of case; display cover; carrying case material)
paper (sticker material)
overall: 7/8 in x 3 in x 5 3/8 in; 2.2225 cm x 7.62 cm x 13.6525 cm
ID Number
catalog number
accession number
Credit Line
Gift of John B. Priser
See more items in
Medicine and Science: Computers
Handheld Electronic Calculators
Computers & Business Machines
Data Source
National Museum of American History


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