Unisonic 737 Handheld Electronic Calculator
date: label: date made
content: ca 1974
name: label: maker
content: Unisonic
notes: label: Description
content: This handheld electronic calculator has a metal and plastic case with an array of twenty-five square plastic keys. These include ten digit keys, a decimal point key, two memory keys, a clear key, four arithmetic function keys, a total key, and a percentage key. Above the keyboard are a decimal point switch (floating decimal point, two digits after the decimal point, or four digits after the decimal point) and a subtraction summation switch. A mark behind this reads: Unisonic 737 (/) SLIDE RULETTE. Behind this is a green vacuum fluorescent display. Another switch and a jack for a power supply are along the back edge. Text on the back reads: Unisonic 737 (/) RATING 6V-DC 0.5W (/) NO. 028723 (/) MADE IN JAPAN. Below this is a compartment for four AA batteries.
label: Description
content: Compare MachVI Slide Rulette (1986.0988.254).
label: Description
content: Reference:
label: Description
content: [Advertisement], <I>Washington Post</I>, May 15, 1974, p. E7. Unisonic 737 “pocket memory calculator,” regularly priced at $69.96, on sale for $59.88.
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
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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: 1986.0988.119
label: accession number
content: 1986.0988
label: catalog number
content: 1986.0988.119
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 (case; circuitry material)
label: Physical Description
content: glass (display material)
label: Measurements
content: overall: 1 in x 3 3/8 in x 5 1/4 in; 2.54 cm x 8.5725 cm x 13.335 cm