Compex ST-10 Handheld Electronic Calculator
date: label: date made
content: ca 1977
name: label: maker
content: Compex
notes: label: Description
content: This unusually thin handheld electronic calculator has an aluminum case. The array of twenty-two gray and white rounded plastic rectangular buttons includes ten digit keys, a decimal point key, a total key, four keys for arithmetic functions, a percentage key, a square root key, three memory keys, and a clear key. The on/off switch is between the keyboard and the eight-digit green fluorescent display. A mark below the display reads: CE COMPEX (/) ST-10. A mark below the keys reads: SUPER THIN (/) ELECTRONIC CALCULATOR. The text printed on the back is largely worn away. The outlet for a recharger is at the bottom right.
label: Description
content: Unscrewing a screw in the back makes it possible to change two large squat batteries. (This example has no batteries and no recharger.) A component taped to the back of one circuit board is marked in part: DELTA (/) DC. A mark on the display reads: itron FG94B1 (/) JAPAN JC.
label: Description
content: A May 26, 1977 advertisement in the <I>Los Angeles Times</I> indicates that the Compex ST-10 sold for $14.97. This included both a wallet carrying case and the battery recharger.
label: Description
content: According to the Datamath Calculator Museum website, Compex calculators were a product of Kinpo Electronics, Incorporated, a firm established in Taiwan by 1973.
label: Description
content: References:
label: Description
content: Datamath Calculator Museum, http://www.datamath.org/.
label: Description
content: <I>Los Angeles Times</I>, May 26, 1977, p. A14.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Computers
label: See more items in
content: Computers & Business Machines
label: See more items in
content: Handheld Electronic Calculators
creditLine: label: Credit Line
content: Gift of John B. Priser
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1986.0988.147
label: catalog number
content: 1986.0988.147
label: accession number
content: 1986.0988
objectType: label: Object Name
content: electronic calculator
label: Other Terms
content: electronic calculator; Handheld
physicalDescription: label: Physical Description
content: metal (case; circuitry material)
label: Physical Description
content: plastic (keys; display screen material)
label: Physical Description
content: glass (display backing material)
label: Measurements
content: overall: 1/2 in x 2 3/4 in x 4 3/4 in; 1.27 cm x 6.985 cm x 12.065 cm