Unitrex CB-8SL Handheld Electronic Calculator
date: label: date made
content: ca 1977
name: label: maker
content: Eiko Business Machine Company
notes: label: Description
content: This handheld electronic calculator is designed to fit into a checkbook (this example has no wallet). It has a plastic front, circuit board, and keys. The twenty-three rectangular keys include ten digit keys, a decimal point key (that can also serve as a memory exchange key), a percentage key (that can serve as a square root key), a total key, four arithmetic function keys (one of which can also serve as a squaring key and another as an inverse key), four memory keys, a clear entry/clear key, and a function/clear function key. The on/off switch is left of the three keys in the top row. There is space for six AAA batteries but no battery jack.
label: Description
content: A sticker on the back of the calculator circuit board reads in part: UNITREX MODEL CB-8SL ELECTRONIC CALCULATOR. It also reads in part: SERIAL NO. 94456 (/) HONG KONG
label: Description
content: Compare Unitrex CB-8SL (1986.098.161) and Novus Attache (1986.0988.227).
label: Description
content: References:
label: Description
content: [Advertisement], <I>Eastern Progress</I>, April 28, 1977, p. 8. Unitrex CB-8SL on sale for $17.99, regularly $19.99.
label: Description
content: [Advertisement], <I>Sedalia Democrat [Sedalia, Missouri]</I>, October 26, 1977, p. 36. Unitrex slide rule checkbook calculator selling for $9.99.
label: Location
content: Currently not on view
place: label: place made
content: China: Hong Kong
setName: label: See more items in
content: Medicine and Science: Computers
label: See more items in
content: Computers & Business Machines
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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: 1986.0988.161
label: catalog number
content: 1986.0988.161
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: plastic (cover; keys material)
label: Physical Description
content: metal (circuitry material)
label: Physical Description
content: paper (stickers material)
label: Measurements
content: overall: 1/2 in x 3 3/8 in x 6 3/4 in; 1.27 cm x 8.5725 cm x 17.145 cm