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Radio Shack EC-263 Handheld Electronic Calculator

Radio Shack EC-263 Handheld Electronic Calculator

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This small, thin, flat handheld electronic calculator has a metal and plastic case and an array of twenty-five rectangular plastic keys. The ten digit keys and decimal point key are white. The on/off key and the clear/clear entry keys are red. The total key, four arithmetic function keys, four memory keys, change sign key, % key, and square root key are brown.
A mark below the keyboard (partly effaced) reads: Radio Shack (/) statesman....
The back of the calculator has a space at the bottom for two squat cylindrical batteries. A sticker in the middle of the back reads: Radio Shack (/) Cat. No. 65-670 (/) Model: EC-263 (/) DC: 3V (76, S76 or Equivalent x 2) (/) Custom Mfd. in Hong Kong for (/) Radio Shack, A Division of Tandy Corporation.
Radio Shack, A Tandy Company, 1980 Catalog No. 315, p. 167, accessed September 22, 2014, at The price listed for the calculator is $16.95.
Currently not on view
Object Name
electronic calculator
date made
Tandy Corporation
place made
China: Hong Kong
Physical Description
plastic (trim; keys; back of case material)
metal (front of case; circuitry material)
paper (sticker material)
overall: 3/8 in x 2 3/8 in x 4 1/4 in;.9525 cm x 6.0325 cm x 10.795 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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