Unitrex 95SL 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 tan plastic case and an array of twenty-four rectangular indented plastic keys. These include ten digit keys, a decimal point key (that can also serve as a memory exchange key), a percentage key, a total key, four arithmetic function keys (one of which can also serve as a squaring key and another as an inverse key), a square root key, four memory keys, a clear entry/clear key, and a function/clear function key.
label: Description
content: Behind the keys is an eight-digit red LED display. A worn mark above it once read: UNITREX. The on/off key is on the right side and the power jack is on the left side.
label: Description
content: A sticker on the inside of the battery compartment on the back reads: 9 VOLT BATTERY. The compartment cover is missing. Text at the bottom of the case reads: HONG KONG.
label: Description
content: The model number is deduced by comparing this object to objects on websites and in printed sources.
label: Description
content: References:
label: Description
content: Guy Ball and Bruce Flamm, <I>The Complete Collector’s Guide to Pocket Calculators</I>, Tustin, CA: Wilson/Barnett, 1997, p. 171.
label: Description
content: [Advertisement], <I>Progress Bulletin [Pomona, California]</I>, March 28, 1977, p. 26. Calculator selling for $7.99.
label: Description
content: Vintagecalculators.com website.
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: 1986.0988.016
label: catalog number
content: 1986.0988.016
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 1/2 in x 5 1/8 in; 2.2225 cm x 6.35 cm x 13.0175 cm