Unitrex Mini 8 Handheld Electronic Calculator
date: label: date made
content: 1974-1977
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 nineteen rectangular plastic keys. These include ten digit keys, a decimal point key, four arithmetic function keys, a total key, a percentage key, a clear entry key, and a clear key. Above the keyboard on the right is the on/off switch. A mark next to it reads: UNITREX (/) mini 8.
label: Description
content: Behind these is an eight-digit red LED display. 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: A57K11831. Text impressed into the calculator at the base of the back reads: UNITREX mini 8 (/) EIKO BUSINESS MACHINE CO. LTD. (/) DC 9V 0.5W (/) MADE IN JAPAN.
label: Description
content: The case is very similar to the Unitrex Mini Handy 80R (1986.0988.018).
label: Description
content: References:
label: Description
content: [Advertisement], <I>Atlanta Constitution</I>, December 19, 1974, p. 27A. Unitrex Mini 8 selling for $19.95.
label: Description
content: [Advertisement], <I> Boston Globe </I>, August 7, 1975, p. 28. Unitrex Mini 8 selling for $15.95, regularly $19.95.
label: Description
content: [Advertisement], <I>Washington Post</I>, August 25, 1977, p. D6. Unitrex Mini 8 offered in clearance sale for $4.99. Sold previous year for $7.95.
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: 1986.0988.017
label: catalog number
content: 1986.0988.017
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: Measurements
content: overall: 7/8 in x 2 1/2 in x 5 1/8 in; 2.2225 cm x 6.35 cm x 13.0175 cm