Summit Ko9V Handheld Electronic Calculator

This American handheld electronic calculator has a tan plastic case and an array of eighteen indented plastic keys (the Texas Instruments Klixon type), most of them square. The zero key and the decimal point key are rectangular. In addition to ten digit keys, a decimal point key, and four arithmetic function keys, the calculator has a display key, a clear entry key, and a clear key. Text left of the top three keys reads: si. Behind the keys is an eight-digit red LED display. Next to the display are an on/off switch and a constant switch.
A label on the front edge reads: Summ (. . .). A jack for a power adapter is on the back side.
A sticker on the back gives operating instructions. It reads in part: SUMMIT INTERNATIONAL CORP. (/) Serial No. 13187 Model Ko9V (/) Salt Lake City, Utah (/) made in U.S.A.
The calculator has a brown leather cloth-lined zippered case. A mark on the case reads: Summit.
Compare 1986.0988.71 (the Model K-16).
[Advertisement], Chicago Tribune, June 28, 1973, p. S_A5. This model calculator on sale for $79.88, regular price $89.95.
Currently not on view
Object Name
electronic calculator
date made
Summit International Corporation
Physical Description
plastic (case; keys; display cover material)
paper (stickers material)
metal (circuitry; case zipper material)
leather (case 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
place made
United States: Utah, Salt Lake City
ID Number
catalog number
accession number
See more items in
Medicine and Science: Computers
Handheld Electronic Calculators
Computers & Business Machines
Data Source
National Museum of American History, Kenneth E. Behring Center


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