Calfax Data Brain II Handheld Electronic Calculator
date: label: date made
content: ca 1974
name: label: maker
content: Calfax
notes: label: Description
content: This handheld electronic calculator has a mustard- and olive-colored plastic case and an array of twenty square plastic keys. These include ten digit keys, a clear/clear entry key, a decimal point key, a total key, four arithmetic function keys, a percentage key, a memory key, and a recall memory/cancel memory key. The on/off switch is on the right side above the keyboard. A mark left of this reads: data brain II. Behind is an eight-digit LED display.
label: Description
content: A power jack is along the back edge of the calculator. A sticker on the back gives operating instructions. It reads in part: MANUFACTURED IN HONG KONG BY (/) AMERICAN IMPORT MERCHANTS CORPORATION (/) CALFAX DIVISION. Below this is a compartment for a nine-volt battery. A sticker below this reads: Serial No. 143893.
label: Description
content: Ball and Flamm give a date of about 1974 for this calculator.
label: Description
content: Reference: Guy Ball and Bruce Flamm, <I>The Complete Collector’s Guide to Pocket Calculators</I>, Tustin, CA: Wilson/Barnett, 1997, p. 43.
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: 1986.0988.251
label: catalog number
content: 1986.0988.251
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 (stickers material)
label: Measurements
content: overall: 1 1/2 in x 3 in x 5 3/8 in; 3.81 cm x 7.62 cm x 13.6525 cm