Calfax 800CD Handheld Electronic Calculator with Instructions
date: label: date made
content: 1974-1975
name: label: maker
content: Calfax
notes: label: Description
content: This handheld electronic calculator has a plastic case with a metal band around the edge and a metal plaque on the back. It has square plastic keys that are indented at the middle (going from top to bottom). In addition to an array of ten digit keys and a decimal key, the calculator has keys for four arithmetic functions, a total key, a constant key, a red cancel key, and an on/off switch.
label: Description
content: A tag above the keyboard reads: calfax 800CD. Behind the tag is an eight-digit red LED display.
label: Description
content: The metal plaque on the back has an “Operating Outline” printed on it. This includes a mark at the bottom: Made in Hong Kong.
label: Description
content: The socket for the AC adapter is on the left side at the top. This example has no adapter. Rotating a screw at the base of the plaque opens a battery compartment which would hold a nine-volt battery. A sticker above the battery compartment reads in part: Serial No. 65780.
label: Description
content: A paper instruction booklet received with the calculator indicates that if the calculator fails to function correctly outside the country of purchase, it should be returned to Supertronic Ltd., 180 Connaught Rd. West, 12th Flr., Hong Kong.
label: Description
content: The "calfax" mark on the calculator is in the form of 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: The Calfax 800CD was advertised as a lure for depositors at an Ohio bank in February 1974. Customers depositing $400 could purchase it for $38.50, with the adapter an additional $3.50. A deposit of $10,000 brought the price down to $19.50. By October of 1975, the device was listed in a newspaper advertisement as having an original price of $24.95 and on sale for $10.88, with an additional $2.99 for the adapter.
label: Description
content: References:
label: Description
content: <I>The Columbus Telegraph</I>, February 1974, p. 6.
label: Description
content: <I>Canton Observer and Eccentric</I>, October 16, 1975, Section A.
label: Description
content: <I>Calculator Operating Manual and Guarantee Calfax 800 CD</I>.
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: 1986.0988.020
label: catalog number
content: 1986.0988.020
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; keyboard; display cover material)
label: Physical Description
content: metal (trim; plaque; circuitry material)
label: Physical Description
content: paper (sticker material)
label: Measurements
content: overall: 1 1/2 in x 3 in x 5 in; 3.81 cm x 7.62 cm x 12.7 cm