Unisonic XL-101 Electronic Calculator
date: label: date made
content: ca 1978
name: label: maker
content: Unisonic Products Corporation
notes: label: Description
content: This lightweight, non-printing electronic calculator has an array of nine digit keys at the center with a zero bar and a decimal point key below these. On the right are arithmetic and clear keys. On the left are percentage, percent change, gross profit margin, item count, clear memory, recall memory, memory subtraction, and memory addition keys. A switch between a floating and a fixed decimal point, a constant switch, and a power switch are above the keyboard. Behind is a ten-digit vacuum fluorescent diode display. A cabinet has space for two D batteries. A hole for a cord is at the back, but there is no cord.
label: Description
content: A mark on the front of the machine reads: Unisonic XL-101. A label on the back reads in part: Unisonic XL-101 (/) 10-DIGIT DESK-TOP (/) ELECTRONIC CALCULATOR. It also reads in part: SERIAL NO. 055588 (/)MADE IN TAIWAN. The bottom of the keyboard is stamped: 53 3 24. The interior of the calculator has a single circuit board with a mark on the bottom that reads: 5212232. A mark on the top of the base of the keyboard reads: CA-24 A-1. The chip by Texas Instruments has a mark that reads: TMC1073NL (/) KSLP 814. The “7814” indicates that the chip was made in the 14th week of 1978.
label: Description
content: The device has a black plastic cover marked: Unisonic.
label: Description
content: Compare the Radio Shack EC-2001 (1986.0998.007) and Lloyd’s Accumatic 680 (1986.0988.006). Radio Shack advertised the EC-2001 in American newspapers as early as 1978 and as late as 1985. Ads for the Unisonic XL-101 appeared in 1979 and 1980. Prices for the Unisonic XL-101 ranged from $19.70 to $29.95
label: Description
content: References:
label: Description
content: [advertisement], <I>Boston Globe</I>,February 25, 1979, p. 23.
label: Description
content: [advertisement], <I>Washington Post</I>, March 13, 1980, p. A16.
label: Location
content: Currently not on view
place: label: place made
content: Taiwan
topic: label: Subject
content: Business
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: Desktop 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: 1986.0988.004
label: catalog number
content: 1986.0988.004
label: accession number
content: 1986.0988
objectType: label: Object Name
content: electronic calculator
label: Other Terms
content: electronic calculator; Desktop
physicalDescription: label: Physical Description
content: plastic (case, keys, cover material)
label: Physical Description
content: glass (display material)
label: Physical Description
content: metal (circuitry material)
label: Measurements
content: overall: 6 in x 6 5/16 in x 2 in; 15.24 cm x 16.002 cm x 5.08 cm