Calfax 890P Handheld Electronic Calculator
date: label: date made
content: ca 1976
name: label: maker
content: Calfax
notes: label: Description
content: This handheld electronic calculator has a plastic case. The oval plastic keys are colored red (the percentage, constant, and clear/clear entry keys), white (the ten digit keys and the decimal point key) and blue (the four function keys and the total key).
label: Description
content: Behind the keyboard is an on/off switch; behind it is an eight-digit red LED display
label: Description
content: A sticker behind the display reads: calfax 890P. A socket for an adapter is on the top edge. This example has no adapter.
label: Description
content: The battery compartment on the top of the back would hold two batteries. This example presently has no batteries. A tag on the back reads: Serial No. (/) 615066 (/) MADE IN HONG KONG.
label: Description
content: The "calfax" mark on the calculator uses a trademark reportedly first used in commerce in 1972, filed in the United States January 1973, and registered in September 1975. No trademark registration is indicated on this example.
label: Description
content: An advertisement in the <I>Washington Post</I> published in July of 1976 shows several Calfax calculators, including a Calfax 890P. It emphasizes the advantage of the percent key. At that time, the model had a sale price of $7.99.
label: Description
content: Compare 1988.0988.202.
label: Description
content: Reference:
label: Description
content: <I>Washington Post</I>, July 28, 1976, p. A16.
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: 1986.0988.022
label: catalog number
content: 1986.0988.022
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; display cover material)
label: Physical Description
content: paper (sticker material)
label: Physical Description
content: metal (circuitry material)
label: Measurements
content: overall: 1 1/2 in x 3 in x 5 1/2 in; 3.81 cm x 7.62 cm x 13.97 cm