Zykkor LC-224 Handheld Electronic Calculator
date: label: date made
content: ca 1985
name: label: maker
content: Zykkor
notes: label: Description
content: This handheld electronic calculator is on a key chain. It has a gold-colored metal case with an array of twenty-five metal keys and a metal chain. In addition to ten digit keys, a decimal point key, a total key, four arithmetic function keys, and four memory keys, it has a square root key, a percentage key, a clear entry key, an on/clear key, and an off key. A mark above the keys reads: ZYKKOR LC-244. Behind this is an eight-digit LCD display.
label: Description
content: Zykkor was a Japanese manufacturer of optical lenses and other photographic products. In the 1980s it distributed a wide variety of electronic products.
label: Description
content: A mark on the back reads: MADE IN TAIWAN R.O.C. (/) FABRIQUE A TAIWAN R.D.C.
label: Description
content: The calculator.org website gives a date of introduction of 1985 for this calculator.
label: Description
content: References:
label: Description
content: Calculator.org website, accessed July 8, 2015.
label: Description
content: [Advertisement], <I>New York Times</I>, January 29, 1985, p. A7. Zykkor LC-220 (a different model calculator) advertised as on sale for $3.95.
label: Description
content: MyCalcDB.free.fr website, accessed July 8, 2015.
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: 1986.0988.339
label: catalog number
content: 1986.0988.339
label: accession number
content: 1986.0988
objectType: label: Object Name
content: electronic calculator
physicalDescription: label: Physical Description
content: metal (case; keys; chain material)
label: Physical Description
content: plastic (circuit board material)
label: Measurements
content: overall: 3/8 in x 1 3/4 in x 2 1/4 in; .9525 cm x 4.445 cm x 5.715 cm