Commodore MM2PM Handheld Electronic Calculator
date: label: date made
content: 1974
name: label: distributor
content: Commodore Business Machines, Inc.
notes: label: Description
content: This handheld electronic calculator has a white case with black trim and metal keyboard, and an array of twenty-three oval plastic keys. In addition to ten digit keys and one decimal point key, the calculator has four keys for arithmetic functions and a total key. In addition there are four memory keys, a percentage key, an exchange key, and a clear key. The on/off switch is at the right on the top row of keys. Text above the keyboard reads: commodore.
label: Description
content: The ten-digit red LED display is behind the keyboard. A cord for recharging the battery attaches at the back of the top. (This example has no cord.) The back of the case has no tag.
label: Description
content: Unscrewing four screws in the back of the device allows one to open the case. A mark on the chip reads: LC1552B (/) 7411. This chip is associated with Western Digital.
label: Description
content: Compare 1986.0988.100 and 1986.0988.128.
label: Description
content: Reference:
label: Description
content: Guy Ball and Bruce Flamm, <I>The Complete Collector’s Guide to Pocket Calculators</I>, Tustin, CA: Wilson/Barnett, 1997, p. 58.
label: Location
content: Currently not on view
place: label: place made
content: United States
setName: label: See more items in
content: Medicine and Science: Computers
label: See more items in
content: Computers & Business Machines
label: See more items in
content: Handheld Electronic Calculators
creditLine: label: Credit Line
content: Gift of John B. Priser
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1986.0988.208
label: catalog number
content: 1986.0988.208
label: accession number
content: 1986.0988
objectType: label: Object Name
content: electronic calculator
physicalDescription: label: Physical Description
content: plastic (case; keys; display cover material)
label: Physical Description
content: glass (tube material)
label: Physical Description
content: metal (circuitry material)
label: Measurements
content: overall: 1 1/4 in x 3 1/2 in x 6 in; 3.175 cm x 8.89 cm x 15.24 cm