APF Mark 62 Handheld Electronic Calculator

This compact handheld electronic calculator has an array of ten white digit keys, a white decimal point key, and eight orange function keys. These are four arithmetic function keys, an equals/k key, a percentage key, a square root key, and a clear entry/clear key. The red LED display appears to have eight digits. A mark at the back top reads: aPF MARK 62.
A metal connector for an adopter is on the right side. The back has the cover for the battery case, a silver paper sticker, and two rubber feet. A mark on the sticker reads: aPF ELECTRONICS, INC. (/) MODEL NO. MARK 62 (/) D.C. 9.0 VOLTS (/) CAUTION: Use only optional (/) A. C. adaptor model 710 or (/) 751S to operate on A. C. (/) SERIAL NO: H62-23524 (/) 50321 MADE IN HONG KONG.
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Object Name
electronic calculator
date made
ca 1977
APF Electronics
Physical Description
plastic (case; screen; keys material)
paper (sticker material)
metal (electrical connection material)
rubber (feet material)
overall: 1 in x 2 3/8 in x 5 in; 2.54 cm x 6.0325 cm x 12.7 cm
place made
Zhonghua: Hong Kong
ID Number
catalog number
accession number
See more items in
Medicine and Science: Computers
Handheld Electronic Calculators
Computers & Business Machines
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of John B. Priser
Additional Media

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