Casio Pocket-Mini Handheld Electronic Calculator
date: label: date made
content: 1975-1977
name: label: maker
content: Casio Computer Company
notes: label: Description
content: This compact handheld electronic calculator has a black case with an aluminum front. The keyboard has an array of square plastic keys, including ten digit keys, a decimal point key, a total key, and, to the right of the digit keys, four keys for arithmetic functions. Left of the digit keys are an AC (all clear) key, a clear (entry) key, a percentage key, and a memory key. Behind the keyboard is an eight-digit vacuum fluorescent display. A mark above this reads: CASIO pocket-mini (/) ELECTRONIC CALCULATOR
label: Description
content: The on/off switch is on the left side near the top. The socket for an adapter is on the right side near the base.
label: Description
content: At the top of the back is a compartment for two AA batteries. A sticker inside the battery compartment reads: 0773177. A mark at the base of the back reads: CASIO pocket-mini (/) BATTERY SUPPLY 1.5Vx2 (/) or use AC ADAPTOR AD-2S (/) 0.2W (/) P-810 MADE IN JAPAN (/) BM CASIO COMPUTER CO. LTD.
label: Description
content: The device has a black plastic carrying pouch. A mark on it reads: MADE IN TAIWAN.
label: Description
content: A different form of the Pocket-Mini (the CP 801-C), which lacked a memory key, was advertised as new in the May 21, 1975, <I>Chicago Tribune</I>. The P-810 was among the Casio calculators with memory advertised from October 21, 1975. It sold for $19.95. By March 1977 the sale price was $14.95. The web site of Casio Corporation indicates that the calculator was introduced in 1974.
label: Description
content: References:
label: Description
content: Casio Corporation website.
label: Description
content: <I>Chicago Tribune</I>, May 21, 1975, p. 14.
label: Description
content: <I>Chicago Tribune</I>, October 21, 1975, p. B3.
label: Description
content: <I>Los Angeles Times</I>, October 21, 1975, p. B16.
label: Description
content: <I>Chicago Tribune</I> March 2, 1977, p. B8.
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: 1986.0988.186
label: accession number
content: 1986.0988
label: catalog number
content: 1986.0988.186
objectType: label: Object Name
content: electronic calculator
label: Other Terms
content: electronic calculator; Handheld
physicalDescription: label: Physical Description
content: plastic (case; display cover; keys; circuit board; pouch material)
label: Physical Description
content: metal (keyboard; circuitry material)
label: Measurements
content: overall: 3/4 in x 2 1/4 in x 4 in; 1.905 cm x 5.715 cm x 10.16 cm