Casio OH-7000G Handheld Electronic Calculator
date: label: date made
content: ca 1990
name: label: maker
content: Casio Computer Company
notes: label: Description
content: By 1990 the American educational market for graphing calculators was highly competitive. Early that year Texas Instruments introduced its first graphing calculator for classroom use, the TI-81. A special overhead projection unit of the calculator was available, and advertisements showed a teacher displaying calculator results on a screen, with fascinated students comparing her work with the displays of their own calculators. By November, Casio sold a modified form of its FX-7000G calculator for use with an overhead projector, the OH-7000G. This is an example of that device.
label: Description
content: The overside handheld electronic calculator has a gray plastic case, a silver-colored metal keyboard with plastic keys, and a translucent glass display screen above the keyboard. The keys are like those of the fx-7000G. A mark above the keyboard reads: CASIO SCIENTIFIC CALCULATOR OH-7000G GRAPHICS.
label: Description
content: The back of the calculator has room for four batteries in a compartment at the base. The screen is at the top and there are four rectangular feet. A mark above the battery compartment reads: CASIO 0H-7000G (/) RATING: DC 6V = 0.04W (/) use BATTERY 1.5v x 4 (/) MADE IN JAPAN (/) CASIO COMPUTER CO., LTD.
label: Description
content: The calculator fits in a gray plastic case with a snap.
label: Description
content: The metal and glass projection unit, made by Buhl, fits in a blue cloth bag.
label: Description
content: References:
label: Description
content: “Introducing the TI-81 Graphics Calculator. An educated solution tailored to educational needs [advertisement],” <I>Mathematics Teacher</I>, vol. 83 #4, April, 1990, front matter.
label: Description
content: “The Power to Project Your Ideas [advertisement],” <I>Mathematics Teacher</I>, vol. 83 #8, November, 1990, front matter.
label: Location
content: Currently not on view
place: label: place made
content: Japan
topic: label: Subject
content: Women's History
setName: label: See more items in
content: Medicine and Science: Computers
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content: Women Teaching Math
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content: Computers & Business Machines
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content: Handheld Electronic Calculators
creditLine: label: Credit Line
content: Gift of Jeanne Shimizu and San Juan High School
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2000.0146.03
label: accession number
content: 2000.0146
label: catalog number
content: 2000.0146.03
objectType: label: Object Name
content: electronic calculator
physicalDescription: label: Physical Description
content: plastic (case; keys; carying case material)
label: Physical Description
content: glass (display; projector lens material)
label: Physical Description
content: metal (circuitry; platform material)
label: Physical Description
content: cloth (carrying bag material)
label: Measurements
content: overall: 2 cm x 9 cm x 19 cm; 25/32 in x 3 17/32 in x 7 15/32 in