Commodore 796M Handheld Electronic Calculator

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This inexpensive handheld electronic calculator has a tan plastic cover with a black plastic back. It has an array of nineteen oval plastic keys. In addition to ten digit keys, four arithmetic functions keys, a decimal point key, a total key, and a clear/clear entry key, the device has a memory key and a percentage key. The on/off switch is left of the memory key and the outlet for a power adapter is on the left side. A mark behind the keyboard reads: commodore. Behind this is the red eight-digit light emitting diode display.
The back of the calculator has a compartment for a nine-volt battery. A sticker below this reads: Solid State Portable (/) Electronic Calculator (/) AC OPERATION Use Commodore (/) adapter no. DC-620R or 505 or 506 or 507 (/) BATTERY 9V Type 006P SERIAL NO. (/) 979524 (/) MODEL 796M. Further text reads: commodore (/) Made in England Pt No 200958-3.
According to Devidts, this calculator came in beige, black and blue. For the black version, see 1986.0988.210.
Guy Ball and Bruce Flamm, The Complete Collector’s Guide to Pocket Calculators, Tustin, CA: Wilson/Barnett, 1997, p. 56. The give a date of 1973.
Serge Devidts, BE CALC Vintage Electronic Calculators website.
Currently not on view
date made
ca 1976
Commodore Business Machines, Inc.
place made
United Kingdom: England
Physical Description
plastic (case; keys; display cover material)
paper (sticker material)
metal (circuitry material)
glass (tube material)
overall: 1 in x 2 1/2 in x 5 3/8 in; 2.54 cm x 6.35 cm x 13.6525 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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