APF Mark 85 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 an array of ten white digit keys and an eleventh white deimal pont key. It has keys for the four arithmetic functions, percentage, clear entry/clear, and equals. 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 MARK 85. The hole for the 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 85 (/) D.C. 4.5 VOLTS (/) CAUTION: Use only A.C. adaptor (/) model 751S to operate on A.C. (/) SERIAL NO: 053059 (/) S85 MADE IN JAPAN. Below this is the cover for the battery case that holds three AAA bateries. A mark on the inside of the lid of this case reads: JAPAN (/) 0108641.
label: Description
content: This calculator closely resembles the APF Mark 65r, although the function keys are slightly different (no square root key on the 85) and there is no rechargeable battery. Compare 1986.0988.174.
label: Description
content: No advertisements found for this calculator. Assigned date on basis of similarity with APF Mark 65r.
label: Location
content: Currently not on view
place: label: place made
content: Japan
setName: label: See more items in
content: Medicine and Science: Computers
label: See more items in
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: 1986.0988.176
label: accession number
content: 1986.0988
label: catalog number
content: 1986.0988.176
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 (electrical connector material)
label: Physical Description
content: paper (sticker material)
label: Physical Description
content: rubber (feet 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