Commodore MM2PM Handheld Electronic Calculator

Description:

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.

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.

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.

Compare 1986.0988.100 and 1986.0988.128.

Reference:

Guy Ball and Bruce Flamm, The Complete Collector’s Guide to Pocket Calculators, Tustin, CA: Wilson/Barnett, 1997, p. 58.

Date Made: 1974

Distributor: Commodore Business Machines, Inc.

Location: Currently not on view

Place Made: United States

See more items in: Medicine and Science: Computers, Computers & Business Machines, Handheld Electronic Calculators

Exhibition:

Exhibition Location:

Credit Line: Gift of John B. Priser

Data Source: National Museum of American History

Id Number: 1986.0988.208Catalog Number: 1986.0988.208Accession Number: 1986.0988

Object Name: electronic calculator

Physical Description: plastic (case; keys; display cover material)glass (tube material)metal (circuitry material)Measurements: overall: 1 1/4 in x 3 1/2 in x 6 in; 3.175 cm x 8.89 cm x 15.24 cm

Guid: http://n2t.net/ark:/65665/ng49ca746ab-f234-704b-e053-15f76fa0b4fa

Record Id: nmah_1305731

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