Casio Hl-807 Handheld Electronic Calculator
date: label: date made
content: 1979-1981
name: label: maker
content: Casio Computer Company
notes: label: Description
content: The case of this handheld electronic calculator is a cream-colored plastic on top and a black plastic on the bottom. The keyboard has an array of square brown plastic keys, including ten digit keys, a decimal point key, and a total key. Four keys for arithmetic functions are to the right of the digit keys. A column to the left of the digit keys has a memory key, a percentage key, a C (clear entry) key, and an AC (all clear) key.
label: Description
content: The eight-digit yellow liquid crystal display is behind the keyboard. A tag behind it reads: CASIO HL-807 (/) ELECTRONIC CALCULATOR. A switch is on the left side. There is no power adapter or socket for one.
label: Description
content: Text on the back of the case reads: CASIO HL-807 (/) RATING: DC 3V=0.00026W (/) use BATTERY 1.5Vx2 (/) MADE IN JAPAN (/) BM CASIO COMPUTER CO. LTD.
label: Description
content: Two screws (one missing in this example) hold together the front and back of the case. Unscrewing them allows one to change the two AA batteries (this example has no batteries.) A sticker on the inside of the back of the case reads: 2279978. A mark on the Hitachi chip reads: HD43111A (/) 9J 43.
label: Description
content: An advertisement for “Casio’s new HL-807 basic four function, single memory calculator” appeared in the <I>Washington Post</I> November 18, 1979. It is listed as having an original price of $13.95 and on sale for $10.98. Another advertisement for the calculator, from the <I>Los Angeles Times</I> for June 10, 1980, lists the regular price as $15.00 and a sale price of $9.99. The calculator was advertised in the <I>Washington Post</I> as late as September 1981, having a sale price of $8.88.
label: Description
content: Compare 1986.0988.28.
label: Description
content: References:
label: Description
content: <I>Los Angeles Times</I>, June 10, 1980, p. B28.
label: Description
content: <I>Washington Post</I>, November 18, 1979, p. A18.
label: Description
content: <I>Washington Post</I>, September 3, 1981, p. A30.
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: 1986.0988.027
label: catalog number
content: 1986.0988.027
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; circuit boards; keys; display cover material)
label: Physical Description
content: metal (circuitry material)
label: Physical Description
content: paper (sticker material)
label: Measurements
content: overall: 3/4 in x 2 3/4 in x 4 1/2 in; 1.905 cm x 6.985 cm x 11.43 cm