Unisonic 811 Handheld Electronic Calculator
date: label: date made
content: ca 1976
name: label: maker
content: Unisonic
notes: label: Description
content: This handheld electronic calculator has a black- and silver-colored plastic case with an array of nineteen square plastic keys. These include ten digit keys and a decimal point key (white) as well as four arithmetic function keys, a total key, a clear key, and a clear entry key (turquoise). The percentage key is orange. Above the keys and on the right is an on/off switch. Above this, on the left, a mark reads: Unisonic 811. Behind this is an eight-digit green vacuum fluorescent display. A power jack is on the back edge.
label: Description
content: A paper sticker on the back gives calculation examples. It reads in part: 811-A. It also reads: SERIAL NO. (/) 143884 (/) MADE IN JAPAN. Below this is a compartment for four 1.5V AAA batteries.
label: Description
content: Compare 1986.0988.113 (a Unisonic 830-A).
label: Description
content: Reference:
label: Description
content: [Advertisement], <I>Chicago Tribune</I>, September 4, 1975, p. S4. A different version of the Unisonic 811 advertised as selling for $15.88.
label: Description
content: The calculator.org website dates the Unisonic 811 to 1976.
label: Location
content: Currently not on view
place: label: place made
content: Japan
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: 1986.0988.114
label: accession number
content: 1986.0988
label: catalog number
content: 1986.0988.114
objectType: label: Object Name
content: electronic calculator
label: Other Terms
content: electronic calculator; Handheld
physicalDescription: label: Physical Description
content: plastic (case; keys material)
label: Physical Description
content: metal (top of case; circuitry material)
label: Physical Description
content: glass (display material)
label: Physical Description
content: paper (sticker material)
label: Measurements
content: overall: 1 in x 3 1/8 in x 5 1/4 in; 2.54 cm x 7.9375 cm x 13.335 cm