Summit MR 8 Handheld Electronic Calculator

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This handheld electronic calculator has a black plastic case and twenty rectangular plastic keys. The keys include ten digit keys, a decimal point key, four arithmetic function keys, a total key, a % key, a clear key, and a clear entry key. The 9 key can also be used to assure that entries have a two decimal points in the digits (as in dollars and cents). The memory key may serve for storage or accumulation. Behind the keyboard is an eight-digit red LED display. The on/off switch is right of it. A power jack and light are on the back edge. A tag on the front reads: Summit.
A tag on the back of the calculator gives operating instructions. It reads in part: SUMMIT INTERNATIONAL CORP. (/) Serial No. MR 15708 Model MR 8 (/) Salt Lake City, Utah MANUFACTURED BY NCE NUCLEAR (/) made in U.S.A. A label attached at the top of the back reads in pen: FLASHING.
Compare 1986.0988.072 and 1986.0988.072.
[Advertisement], Los Angeles Times, October 21, 1973, p. D15. “New SUMMIT MR-8 Dual-memory rechargeable portable” advertised as selling for $199.95.
[Advertisement], Chicago Tribune, December 26, 1973, p. C8. Summit MR-8 calculator on sale for $89.88, regular price $119.95.
Currently not on view
date made
Summit International Corporation
place made
United States: Utah, Salt Lake City
Physical Description
plastic (case; keys; display cover material)
metal (circuitry material)
paper (sticker material)
overall: 1 1/4 in x 2 3/4 in x 4 in; 3.175 cm x 6.985 cm x 10.16 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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