Montgomery Ward P800 Handheld Electronic Calculator
date: label: date made
content: ca 1972
name: label: maker
content: Montgomery Ward
label: maker
content: Texas Instruments
notes: label: Description
content: This handheld electronic calculator has a black and tan plastic case, a metal keyboard, and eighteen square plastic "Klixon" keys. These keys embody a design trademarked by Texas Instruments and make a distinctive click when pressed. In addition to ten digit and one decimal point key, the calculator has four keys for arithmetic functions. One serves as a total key for addition and another as a difference key for subtraction. The top of the keyboard has a constant switch, a D key for recalling the display (it turns off after a few seconds), a clear entry key, and a red clear key. The on/off switch is behind the keyboard. A tag next to it reads: MONTGOMERY (/) WARD electronic P800.
label: Description
content: The eight-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.
label: Description
content: The back has two rubber feet. A sticker pasted there gives operating instructions. Text near the bottom reads: Model No. TXI8642A (/) Serial No. 37B-036227 (/) DISTRIBUTED BY MONTGOMERY WARD & CO., INC. (/) CHICAGO, ILL. 60607.
label: Description
content: Compare Radio Shack EC-200 (1988.0988.035) as well as 1986.0988.099 (the Commodore Minuteman 1), 1986.0988.098 (the Commodore Minuteman 2) and 1988.0988.129 (the Bowmar 901B). The calculator was made for Montgomery Ward by Texas Instruments.
label: Description
content: References:
label: Description
content: Guy Ball and Bruce Flamm, <I>The Complete Collector’s Guide to Pocket Calculators</I>, Tustin, CA: Wilson/Barnett, 1997, p. 103.
label: Description
content: Online Datamath Calculator Museum, accessed August 29, 2014.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Computers
label: See more items in
content: Computers & Business Machines
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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: 1986.0988.084
label: catalog number
content: 1986.0988.084
label: accession number
content: 1986.0988
objectType: label: Object Name
content: electronic calculator
label: Other Terms
content: electronic calculator; Handheld
physicalDescription: label: Physical Description
content: plastic (case; display cover; keys material)
label: Physical Description
content: metal (circuitry material)
label: Physical Description
content: paper (sticker material)
label: Measurements
content: overall: 1 1/2 in x 3 1/4 in x 5 7/8 in; 3.81 cm x 8.255 cm x 14.9225 cm