APF Mark 65R Handheld Electronic Calculator
date: label: date made
content: ca 1977
name: label: maker
content: APF Electronics
notes: label: Description
content: This handheld electronic calculator has twenty-four indented square plastic keys. These include ten white digit keys and an eleventh white decimal point key; and keys for the four arithmetic functions as well as percentage, square root, clear entry/clear, and equals keys. Five orange memory keys are in the rightmost column. The on/off switch is above these keys on the left, and the nine-digit fluorescent display is behind this. A mark below the display reads: aPF rechargeable MARK 65r. The hole for the recharger/adapter is on the top edge.
label: Description
content: The black plastic case has two rubber feet at the top. A silver-colored paper sticker below this reads: aPF ELECTRONICS, INC. (/) MODEL NO. MARK 65r (/) D.C. 4.5 VOLTS (/) CAUTION. Use only A.C. adaptor/recharger (/) model 751S to operate on A.C. (/) SERIAL NO. H65r-024822 (/) 7545.005 HONG KONG. Below this is the cover for the sealed battery case. A black paper sticker on this reads: THIS UNIT IS EQUIPPED WITH (/) RECHARGEABLE NICAD BATTERIES. (/) BATTERY COVER IS SEALED. (/) DO NOT ATTEMPT TO OPEN.
label: Description
content: Ball and Flamm mention a 1977 advertisement for this calculator which gave a price of $18.95.
label: Description
content: Compare the Sears F85 (1986.0988.182).
label: Description
content: Reference:
label: Description
content: Guy Ball and Bruce Flamm, <I>The Complete Collector's Guide to Pocket Calculators</I>, Tustin CA: Wilson/Barnett, 1997, p. 30.
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: 1986.0988.174
label: accession number
content: 1986.0988
label: catalog number
content: 1986.0988.174
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: metal (keyboard; connection material)
label: Physical Description
content: rubber (feet material)
label: Physical Description
content: paper (stickers material)
label: Measurements
content: overall: 1 in x 2 7/8 in x 4 7/8 in; 2.54 cm x 7.3025 cm x 12.3825 cm