Casio Mini CM-602 Handheld Electronic Calculator
date: label: date made
content: 1973
name: label: maker
content: Casio Computer Company
notes: label: Description
content: This handheld electronic calculator is a modified version of Casio’s first commercial handheld electronic calculator, the Casio Mini. It has a black plastic case with aluminum trim on the front. The array of square plastic keys on the right side includes ten digit keys, a decimal point key, a cancel key, keys for four arithmetic functions, a total key, and an arrow key that is pressed to show more of larger results. Left of the cancel key on the top row of keys is a switch to set the position of the decimal point.
label: Description
content: To the left of the keyboard is a six-digit vacuum fluorescent display. Below it is the on/off switch. A mark right of the switch reads: CASIO-MINI (/) ELECTRONIC CALCULATOR. A carrying loop extends from the left edge. This edge also has a socket for a power adapter. A mark inscribed on the trim on the front edge reads: Bob Clemens.
label: Description
content: Unscrewing screws on the two ends of the calculator makes it possible to remove the top. A sticker attached in front of the keyboard on the inside reads: 3084597. A mark on a chip below the display reads: 3F 4 (/) HD32154P. This is a large-scale integrated chip made by Hitachi. Above it is a chip made by NEC with number μPD129C.
label: Description
content: The back of the calculator has a compartment that would hold four batteries. A mark on the back reads: MINI CM-602 ELECTRONIC (/) CALCULATOR (/) BATTERY SUPPLY 1.5 V x 4 or (/) use AC ADAPTOR AD-4145 (/) 500mW MADE IN JAPAN (/) CASIO COMPUTER CO., LTD. A stcker below this gives operating instructions.
label: Description
content: A mark on a sticker on the back of the battery compartment reads: 486383.
label: Description
content: A June 1973 illustration of the Casio Mini in the <I>Los Angeles Times</I> shows this model calculator. It was on sale for $59.95.
label: Description
content: Compare 1986.0988.184.
label: Description
content: References:
label: Description
content: Rick Bensene, Old Calculator Museum website.
label: Description
content: <I>Los Angeles Times</I>, June 30, 1973, p. D2.
label: Description
content: Website of Casio International.
label: Location
content: Currently not on view
place: label: place made
content: Japan
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: 1986.0988.185
label: accession number
content: 1986.0988
label: catalog number
content: 1986.0988.185
objectType: label: Object Name
content: electronic calculator
label: Other Terms
content: electronic calculator; Handheld
physicalDescription: label: Physical Description
content: plastic (case; keys; switches; circuit board material)
label: Physical Description
content: glass (tubes material)
label: Physical Description
content: paper (stickers material)
label: Physical Description
content: metal (circuitry; trim material)
label: Measurements
content: overall: 1 3/8 in x 6 in x 3 1/8 in; 3.4925 cm x 15.24 cm x 7.9375 cm