Unisonic LC 222 Handheld Electronic Calculator
date: label: date made
content: ca 1981
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 an off key, an on/clear entry/clear key, and a percentage key. A mark above the keyboard reads: Unisonic (/) LC 222. Left of this is an eight-digit liquid crystal display. A mark on the back of the calculator reads: Unisonic LC222C MADE IN TAIWAN. Unscrewing two screws in the back makes it possible to change the two tiny batteries (no batteries in this example), According to the instructions, one should “use quality alkaline batteries such as Maxell [sic] SR 1130. You can expect to get about 1000 hours of continuous operating time for batteries.” A mark on the circuit board reads: LSIT6014 (/) LCD 3001.
label: Description
content: The calculator has a cloth case that also includes the instruction leaflet. It has the title <I>Unisonic LC-222 Ultra Thin LCD Calculator</I>.
label: Description
content: Compare 1987.0435.14.
label: Description
content: For information about Unisonic, see 1986.0988.371.
label: Description
content: References:
label: Description
content: Instruction leaflet.
label: Description
content: [Advertisement], <I>Hartford Courant</I>, December 7, 1980, p. Q10. LC 222 and LC 272 calculators both on sale for $8.99, regularly $11.99.
label: Description
content: [Advertisement]. <I>Los Angeles Times</I>, March 8, 1981, p. SG5. LC 222 calculator on sale for $8.90, regularly $10.90. Neither of these advertisements mentions the LC 222C.
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: 1986.0988.322
label: catalog number
content: 1986.0988.322
label: accession number
content: 1986.0988
objectType: label: Object Name
content: electronic calculator
physicalDescription: label: Physical Description
content: plastic (keys material)
label: Physical Description
content: cloth (carrying case material)
label: Physical Description
content: metal (case material)
label: Physical Description
content: glass (display material)
label: Measurements
content: overall: 3/8 in x 3 1/2 in x 2 1/8 in; .9525 cm x 8.89 cm x 5.3975 cm