Unisonic LC 223 CK Handheld Electronic Calculator
date: label: date made
content: ca 1982
name: label: maker
content: Unisonic
notes: label: Description
content: This credit card-sized calculator has a metal case and twenty-three rectangular plastic keys. These include ten digit keys, a decimal point key, a total key, four arithmetic function keys, and four memory keys. The bottom row of keys also has a clear entry/clear key, a square root key, and a percentage key. An on button and an off button are above the keyboard. Left of these, a mark reads: Unisonic (/) LC 223 CK. Left of this is an eight-digit liquid crystal display. A mark on the back of the calculator reads: Unisonic LC223 CKB (/) 1.5V BATTERY x 2 PCS (/) EVEREADY BATTERY NO189 (/) SERIAL NO. 7294327 (/) MADE IN TAIWAN. Unscrewing two screws in the back makes it possible to change the two tiny Toshiba batteries. A mark on the circuit board reads: 102P. A mark on the chip reads: W5.
label: Description
content: Compare 1987.0988.322.
label: Description
content: For information about Unisonic, see 1986.0988.371.
label: Description
content: No advertisements found.
label: Location
content: Currently not on view
place: label: place made
content: Taiwan
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: 1987.0435.14
label: catalog number
content: 1987.0435.14
label: accession number
content: 1987.0435
objectType: label: Object Name
content: electronic calculator
physicalDescription: label: Physical Description
content: metal (case material)
label: Physical Description
content: plastic (keys material)
label: Physical Description
content: glass (display material)
label: Measurements
content: overall: 1/4 in x 3 1/2 in x 2 1/4 in; .635 cm x 8.89 cm x 5.715 cm