Unitrex Mini Handy 80R Handheld Electronic Calculator
date: label: date made
content: ca 1974
name: label: maker
content: Eiko Business Machine Company
notes: label: Description
content: This handheld electronic calculator has an off-white plastic case and an array of twenty rectangular plastic keys. These include ten digit keys, a decimal point key, four arithmetic function keys, a change sign key, a percentage key, a square root key, a clear entry key, and a clear key. Above the keyboard on the right is the on/off switch. Left of it is a switch for setting a constant and left of this a switch for setting the position of the decimal point.
label: Description
content: Behind these is an eight-digit red LED display. A mark behind it reads: UNITREX (/) mini handy 80R. A jack for a power adapter is along the back edge.
label: Description
content: The back has a compartment for a nine-volt battery. A mark on the back of the cover of this compartment reads: A17D03893. Text on a sticker attached to the calculator at the base of the back reads: UNITREX mini handy 80R (/) EIKO BUSINESS MACHINE CO. LTD. (/) DC 9V 0.45W MADE IN JAPAN.
label: Description
content: The case is very similar to that of the Unitrex Mini 8 (1986.0988.017).
label: Description
content: Reference:
label: Description
content: [Advertisement], <I>Chicago Tribune</I>, November 28, 1974, p. C11. Unitrex Mini Handy 80R regularly $39.95, on sale for $34.95.
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: 1986.0988.018
label: catalog number
content: 1986.0988.018
label: accession number
content: 1986.0988
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 (circuitry material)
label: Physical Description
content: paper (sticker material)
label: Measurements
content: overall: 7/8 in x 2 3/4 in x 5 in; 2.2225 cm x 6.985 cm x 12.7 cm