Sharp EL104 Handheld Electronic Calculator
date: label: date made
content: 1976
name: label: maker
content: Sharp Corporation
notes: label: Description
content: This handheld electronic calculator has a black and white plastic case and an array of twenty rounded rectangular plastic keys. These include ten digit keys, a decimal point key, a % key, four arithmetic function keys, a clear key, a clear entry key, a square root key, and a total key. Behind the keyboard is an eight-digit purple LED display that seems to have a ninth character space. The on/off switch is behind the display on the right. A tag left of this reads: SHARP ELSI MATE (/) EL-104.
label: Description
content: At the top of the back is a compartment for a nine-volt battery. Text below this reads: ELECTRONIC CALCULATOR (/) EL-104. Further text reads: SHARP CORPORATION (/) MADE IN JAPAN BM. A paper sticker below the mark gives a list of U.S., Canadian, Swedish and Australian patents protecting the device. The latest American patent is 3621219, issued in 1971 and initially assigned to Hayakawa.
label: Description
content: The calculator has a leather or imitation leather carrying case with a metal snap and plastic edging. This case also has a hook so that it could be worn over a belt.
label: Description
content: Compare 1986.0988.133 (Sharp Elsimate EL-206).
label: Description
content: References:
label: Description
content: The online MyCalc database dates this calculator to about 1976. The online Calculator.org database dates it to 1976. No advertisements found.
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
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: 1986.0988.315
label: catalog number
content: 1986.0988.315
label: accession number
content: 1986.0988
objectType: label: Object Name
content: electronic calculator
physicalDescription: label: Physical Description
content: plastic (case; keys; carrying case; display cover material)
label: Physical Description
content: metal (circuitry; carrying case snap material)
label: Physical Description
content: paper (sticker material)
label: Measurements
content: overall: 7/8 in x 3 in x 4 1/2 in; 2.2225 cm x 7.62 cm x 11.43 cm