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Texas Instruments Red LED TI-59 Programmable Personal Calculator with Magnetic Strip for Storing & Reading Programs, Circa 1977 : 無料・フリー素材/写真

Texas Instruments Red LED TI-59 Programmable Personal Calculator with Magnetic Strip for Storing & Reading Programs, Circa 1977 / France1978
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Texas Instruments Red LED TI-59 Programmable Personal Calculator with Magnetic Strip for Storing & Reading Programs, Circa 1977

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ライセンスクリエイティブ・コモンズ 表示-継承 2.1
説明The 1977 price for the calculator was $299.95. Included with the calculator is a pack of software.From Wikipedia: The TI-59 was an early programmable calculator, manufactured by Texas Instruments from 1977. It was the successor to the TI SR-52, quadrupling the number of "program steps" of storage, and adding "ROM Program Modules" (an insertable ROM chip, capable of holding 5000 program steps) and a magnetic card reader for external storage. It was one of the first LED calculators with the capability and flexibility to take on many real-world calculation challenges, and quickly became popular with professionals in many fields.
撮影日2013-02-18 07:37:44
撮影者France1978 , USA
タグ
撮影地
カメラiS2132 , Polaroid
露出0.017 sec (1/60)
開放F値f/3.3


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