Casio Mini Card LC-78 Handheld Electronic Calculator
date: label: date made
content: 1978-1980
name: label: maker
content: Casio Computer Company
notes: label: Description
content: This credit card-sized, lightweight handheld electronic calculator has an aluminum case, plastic keys and display cover, a plastic circuit board, and various metal circuitry. In addition to an array of ten digit keys, a decimal point key, and a total key, it has a column of four arithmetic function keys immediately to the right of the digit keys, and a column with a percentage key and three memory keys on the far right. The on/off switch is above the keyboard and the AC (all clear) and clear keys are left of the digit keys. The eight-digit liquid crystal display is above and to the left of the keyboard. A mark below it reads: CASIO- MINI CARD (/) ELECTRONIC CALCULATOR (/) LC-78. A mark on the back reads: CASIO-MINI CARD (/) BM 1.5V x 2 (DC) 0.0006W (/) CASIO COMPUTER CO., LTD. (/) LC-78 MADE IN JAPAN.
label: Description
content: A screw on the right side of the back holds it to the front. Unscrewing it reveals the circuitry and a space for two squat cylindrical batteries. A sticker on the inside of the back of the case reads: 4595189. A mark on the chip reads: B6.
label: Description
content: According to an October, 1978, advertisement in the <I>Los Angeles Times</I>, the Casio LC78 was regularly priced at $29.99 and then on sale for $26.99. A December, 1978, advertisement in the same newspaper is entitled “For someone you love who loves being accurate: the math machines.” It describes several calculators, including the LC78. It gives a price of $29.99. By June 1980, the <I>Washington Post</I> lists a sale price for the Mini Card of $14.99.
label: Description
content: References:
label: Description
content: <I>Los Angeles Times</I>, October 18, 1978, p. F12.
label: Description
content: <I>Los Angeles Times</I>, December 10, 1978, p. A26.
label: Description
content: <I>Washington Post</I>, June 13, 1980, p. A29.
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
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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: 1986.0988.023
label: catalog number
content: 1986.0988.023
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: aluminum (case material)
label: Physical Description
content: plastic (keys; circuit board; display window material)
label: Physical Description
content: paper (sticker material)
label: Measurements
content: overall: 3/16 in x 2 1/8 in x 3 1/2 in; .4572 cm x 5.3975 cm x 8.89 cm