Friendly Handheld Electronic Calculator

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This handheld electronic calculator has a black plastic case, a metal keyboard, and seventeen square black plastic keys. In addition to ten digit keys, it has a clear key, a decimal point key, a total key, and four keys for arithmetic functions. An on/off switch is at the top of the keyboard on the left. Behind this is an eight-digit red LED display. Text behind the display reads: FRIENDLY.
At the top of the back of the case is a compartment for a nine-volt battery. Below this a silver-colored sticker gives an “OPERATING OUTLINE” for use of the calculator. Text at the bottom of the back of the case reads: HONG KONG. The top back edge has a socket for a power adapter. No serial number found. No advertisements found.
This calculator may have been distributed as an advertisement.
Currently not on view
place made
Zhonghua: Hong Kong
Physical Description
plastic (case; keys; display cover material)
metal (keyboard; circuitry material)
ceramic (display board material)
paper (sticker material)
overall: 1 in x 2 3/4 in x 5 1/4 in; 2.54 cm x 6.985 cm x 13.335 cm
ID Number
catalog number
accession number
Credit Line
Gift of John B. Priser
See more items in
Medicine and Science: Computers
Handheld Electronic Calculators
Computers & Business Machines
Data Source
National Museum of American History


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