Casio Personal Mini Handheld Electronic Calculator
date: label: date made
content: 1975-1976
name: label: maker
content: Casio Computer Company
notes: label: Description
content: This handheld calculator reflects Casio’s long-standing attempt to bring down the price of such devices. As in the Casio Mini, the display is to the left of the keyboard. The keyboard has an array of ten digit keys, a decimal point key, a total key, and four keys for arithmetic functions that are to the right of the digit keys. Left of the digit keys are an AC (all clear) key, a clear (entry) key, and a key for shifting the display to show further digits in the result.
label: Description
content: The on/off switch is above the six-digit vacuum fluorescent display. A mark below the display reads: CASIO personal-mini. A pin along the top edge would link to an adapter.
label: Description
content: The back of the calculator has a compartment for two batteries. Text to the left of the compartment, stamped upside down, reads: personal-mini (/) BATTERY SUPPLY 1.5Vx2 or (/) use AC ADAPTOR AD-2S (/) .18W MADE IN JAPAN (/) BM CASIO COMPUTER CO., LTD. A sticker on the back of the compartment cover reads: 6643235. A sticker inside the compartment reads: 0503531.
label: Description
content: The calculator fits in a black plastic sleeve. A mark on one side of the sleeve reads: CASIO. A mark on the other side reads: MADE IN JAPAN.
label: Description
content: A March 1975 advertisement in the <I> Washington Post</I> describes a Casio Personal Mini very similar to this one. The advertising text indicates that the instrument took squares, powers, and reciprocals. However, the keyboards of the calculator shown and of this calculator have no special keys for these functions. The calculator sold for $19.95. Another advertisement for the Casio Personal Mini appeared in the <I>New York Times</I> in January of 1976. No details are given other than a price of $13.50.
label: Description
content: References:
label: Description
content: <I>New York Times</I>, January 25, 1976, p. 104.
label: Description
content: Vintage Technology website.
label: Description
content: <I>Washington Post</I>, March 23, 1975, p. A20.
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: 1986.0988.025
label: catalog number
content: 1986.0988.025
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; keys; display cover; carrying case material)
label: Physical Description
content: metal (circuitry materail)
label: Physical Description
content: paper (stickers material)
label: Measurements
content: overall: 7/8 in x 2 3/4 in x 5 5/8 in; 2.2225 cm x 6.985 cm x 14.2875 cm