APF Mark 26 Handheld Electronic Calculator
date: label: date made
content: ca 1975
name: label: maker
content: APF Electronics
notes: label: Description
content: This compact handheld electronic calculator has ten gray digit keys and a gray decimal key, four blue keys for arithmetic functions, a percentage, equals, and clear entry/clear key, and an M key to shift the keys for arithmetic functions to memory keys. Memory keys made it possible to work with subtotals and stored numbers. A red LED display for eight digits and a decimal point is behind the keyboard. The battery compartment at the top has its cover on the back. There presently is no battery and no adapter.
label: Description
content: A stamp above the display window reads: aPF MARK 26. A small silver-colored paper tag on the back reads: aPF Electronics, INC. (/) MODEL No: MARK 26 (/) D.C. 9.0 VOLTS (/) CAUTION: Use only model 710 (/) or 751S adaptor (optional) to (/) operate on A. C. (/) SERIAL NO: J125182 (/) MADE IN JAPAN.
label: Description
content: An October, 1975, advertisment in the <I>New York Times</I> indicated that the APF Mark 26 sold for $16.95, with an additional $3.95 for the adapter. In May 1975, an advertisement in the <I>Los Angeles Times</I> listed the APF Mark 26 as selling for $19.95 plus $3.95 for the adapter. Another ad in the same paper that month gave a price of $19.99. A March1976 advertisement gave a regular price of $16.88 and a sale price of $9.95. A January 1976 ad in the <I>Chicago Tribune</I> offered the APF Mark 26 for $14.97.
label: Description
content: References:
label: Description
content: <I>Chicago Tribune</I>, January 4, 1976, p. 12.
label: Description
content: <I>New York Times</I>, October 23, 1975, p. 20.
label: Description
content: <I>Los Angeles Times</I>, May 2, 1975, p. B14.
label: Description
content: <I>Los Angeles Times</I>, May 28, 1975, p. E18.
label: Description
content: <I>Los Angeles Times</I>, March 28, 1976, p. T75.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Computers
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content: Computers & Business Machines
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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: 1986.0988.166
label: catalog number
content: 1986.0988.166
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; screen material)
label: Physical Description
content: paper (tag material)
label: Physical Description
content: rubber (feet material)
label: Physical Description
content: metal (socket for jack material)
label: Measurements
content: overall: 1 1/4 in x 2 1/2 in x 4 1/2 in; 3.175 cm x 6.35 cm x 11.43 cm