Craig 4509B Handheld Electronic Calculator

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This handheld electronic calculator has an array of ten digit keys, a decimal point key, and a clear entry key. Right of these is a column with four arithmetic function keys and a total key. Above the digit keys are a clear key, a percentage key, and a D key for clearing the display. A mark above the keyboard reads: CRAIG. Right of this is the on/off switch. The eight-digit LED display is behind this.
The back of the calculator has a compartment for four batteries, with a gray ribbon to hold things in place. The compartment cover is missing. The “Operation Outline” above the battery compartment describes operating procedures. Text at the bottom of this tag reads: CRAIG 4509B SERIAL NO. 7446659 (/) CRAIG CORPORATION COMPTON CALIFORNIA 90220 MADE IN JAPAN.
The object has a zippered leather, cloth-lined case with a hook for haning it from the belt. A mark on the front of the case reads: CRAIG.
Guy Ball and Bruce Flamm, The Complete Collector’s Guide to Pocket Calculators, Tustin, CA: Wilson/Barnett, 1997, p. 64.
Fairbanks Daily News-Miner, March 25, 1975, p. 16. Craig 4509B advertised as a $69.95 value selling for $37.00.
Currently not on view
date made
ca 1975
Craig Corporation
place made
Physical Description
plastic (case; keys; display cover material)
metal (circuitry; tag material)
cloth (ribbon material)
overall: 1 1/4 in x 3 in x 5 1/2 in; 3.175 cm x 7.62 cm x 13.97 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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