Calfax 616 Handheld Electronic Calculator
date: label: date made
content: 1975
name: label: maker
content: Calfax
notes: label: Description
content: This handheld electronic calculator has a black plastic case. The oval plastic keys are colored red (the clear/clear entry key), white (the ten digit keys and the decimal point key), and blue (the four function keys and the enter key).
label: Description
content: Behind the keyboard is an on/off switch on the right and a D key. Switching the D key changes from floating point arithmetic to a decimal point fixed for dollar and cents results. Behind the switches is six-digit red LED display
label: Description
content: A sticker behind the display reads: calfax 616. There is no socket for an adapter.
label: Description
content: The battery compartment at the top of the back would hold two batteries. This example presently has no batteries. A paper tag within the compartment reads: INSPECTED BY (/) 30 OCT 1975. A paper tag on the back of the calculator reads: Serial No. (/) 479650 (/) MADE IN HONG KONG.
label: Description
content: The calculator fits in a cardboard box with a leaflet of instructions and plastic packing. The "calfax" mark at the top of the instructions and on the lid of the box indicates a registered trademark. This trademark reportedly was first used in commerce in 1972, filed in the United States in January 1973 and registered in September 1975.
label: Description
content: An advertisement in the <I>Washington Post</I> published in July of 1976 shows several Calfax calculators, including a Calfax 616. At that time, the model had a sale price of $5.99.
label: Description
content: Compare 1988.0988.22.
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: 1986.0988.202
label: catalog number
content: 1986.0988.202
label: accession number
content: 1986.0988
objectType: label: Object Name
content: electronic calculator
physicalDescription: label: Physical Description
content: plastic (case; keys; display material)
label: Physical Description
content: metal (circuitry material)
label: Physical Description
content: paper (stickers; instructions; box material)
label: Measurements
content: overall: 1 in x 2 3/4 in x 5 in; 2.54 cm x 6.985 cm x 12.7 cm
label: Measurements
content: container: 2 in x 3 3/4 in x 6 1/2 in; 5.08 cm x 9.525 cm x 16.51 cm