Enterprex Model 100M Desktop Electronic Calculator
date: label: date made
content: ca 1978
name: label: distributor
content: Enterprex
notes: label: Description
content: This compact desktop electronic calculator has an ivory-colored plastic case, a brown plastic keyboard, twenty-two square plastic keys, and three rectangular plastic bars. In addition to nine digit keys, a zero bar and a decimal point key, there are bars for addition/sum and subtraction/total, keys for multiplication and division, and keys for exchange and clear/clear entry. To the left of the digit keys are six memory keys, a percentage key, and a Δ% key. Behind the keyboard are three switches and a ten-digit vacuum fluorescent display. A mark in front of the keyboard reads: ENTERPREX 100M.
label: Description
content: The back of the calculator has a compartment for two large batteries. Below this is an indentation for a sticker, but the sticker has come loose. It reads in part: 10-DIGIT DESK-TOP (/) ELECTRONIC CALCULATOR (/) POWER SOURCE: TWO "D" CELL (/) BATTERIES. DC 3VOLT. It also reads in part: SERIAL NO. 64597 (/) PN 943014 MADE IN TAIWAN.
label: Description
content: References:
label: Description
content: [Advertisement], <I>Chicago Tribune</I>, November 5, 1978, p. M7. Enterprex 100M advertised as on sale for $20.00.
label: Description
content: [Advertisement], <I>Los Angeles Times</I>, February 24, 1979, p. C2. Enterprex 100M advertised as on sale for $29.95, with a list price of $40.00
label: Description
content: Guy Ball and Bruce Flamm, <I>The Complete Collector’s Guide to Pocket Calculators</I>, Tustin, CA: Wilson/Barnett, 1997, p. 70.
label: Description
content: BE CALC Vintage Electronic Calculators website (now www.calcuseum.com). This shows an example of the calculator, with a sticker indicating that it was made in Hong Kong.
label: Location
content: Currently not on view
place: label: place made
content: Taiwan
setName: label: See more items in
content: Medicine and Science: Computers
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content: Computers & Business Machines
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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: 1986.0988.201
label: catalog number
content: 1986.0988.201
label: accession number
content: 1986.0988
objectType: label: Object Name
content: electronic calculator
physicalDescription: label: Physical Description
content: plastic (case; keys; display cover material)
label: Physical Description
content: metal (circuitry; switches material)
label: Physical Description
content: glass (tube material)
label: Measurements
content: overall: 1 3/4 in x 6 1/2 in x 6 3/4 in; 4.445 cm x 16.51 cm x 17.145 cm