National Semiconductor 836 Handheld Electronic Calculator

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This handheld electronic calculator has a tan and black plastic case and twenty-five rectangular plastic keys. These include ten digit keys, a decimal point key, a total key, four arithmetic function keys, and four memory keys. The top row of keys has an off key, an on key, a clear entry/clear key, a square root key, and a % key. Behind the keyboard is a gray LCD display. A label at the back reads: NSC National Semiconductor (/) 836.
A mark molded into the back of the case reads: ELECTRONIC CALCULATOR (/) RATING: DC 3V (/) USE PENLIGHT BATTERY 1.5V x2. Another mark there reads: MADE IN TAIWAN.
Pushing down a lever on the back edge of the calculator allows one to open the case to change the batteries (the object presently has no batteries). A sticker on the circuit board reads: PASSED 46. There is no provision for a recharger or power adapter.
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Currently not on view
date made
National Semiconductor Corporation
place made
Physical Description
plastic (case; keys material)
metal (circuitry material)
overall: 3/4 in x 2 3/8 in x 4 3/8 in; 1.905 cm x 6.0325 cm x 11.1125 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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