Unitrex 91PM Handheld Electronic Calculator
date: label: date made
content: ca 1977
name: label: maker
content: Eiko Business Machine Company
notes: label: Description
content: This handheld electronic calculator has a gray and black plastic case with an array of twenty-three square plastic keys. These include ten digit keys, a decimal point key, a total key, four arithmetic function keys, four memory keys, a percentage key, a clear key, and a clear entry key. Right of the top three keys is an on/off switch. Behind this is an eight-digit red LED display. A mark behind this reads: UNITREX 91PM.
label: Description
content: A power jack is on the right side near the bottom.
label: Description
content: The back of the calculator has a compartment for a nine-volt battery at the top. A sticker below this reads: ELECTRONIC CALCULATOR (/) DC 9 VOLT (/) USE 1 PIECE 9 V BATTERY (/) MADE IN HONG KONG.
label: Description
content: Reference:
label: Description
content: [Advertisement], <I>Chicago Tribune</I>, January 30, 1977, p. M1. Calculator on sale for $8.88, regularly $9.95. “Save $2”!
label: Location
content: Currently not on view
place: label: place made
content: China: Hong Kong
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: 1986.0988.243
label: catalog number
content: 1986.0988.243
label: accession number
content: 1986.0988
objectType: label: Object Name
content: electronic calculator
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: 1 in x 2 in x 5 3/8 in; 2.54 cm x 5.08 cm x 13.6525 cm