File:HP 9100A Calculator 1968.jpg

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HP 9100A calculator was introduced in March 1968 and sold for $4,900. The circuitry was discrete transistors because early integrated circuits consumed too much power. The HP 9100A is about 20 by 19 by 9 inches and weights 40 pounds.

Calculator displayed by Robert Rosenbloom at the Vintage Computer Festival . This was held at the Computer History Museum in Mountain View, California, November 2007.

Photo by Michael Holley, November 3, 2007. Taken with a Canon PowerShot A630 (1/20 second and F/3.5) with existing light.
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Author Swtpc6800 en:User:Swtpc6800 Michael Holley
Other versions File:HP 9100A Calculator 1968 front.jpg

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current03:53, 30 November 2009Thumbnail for version as of 03:53, 30 November 20091,305 × 1,125 (179 KB)Swtpc6800 (talk | contribs) {{Information |Description= HP 9100A calculator was introduced in March 1968 and sold for $4,900. The circuitry was discrete transistors because early integrated circuits consumed too much power. The HP 9100A is about 20 by 19 by 9 inches and weights 40

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