File:HP 9100A Calculator 1968 front.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 (1/15 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.jpg

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current03:58, 30 November 2009Thumbnail for version as of 03:58, 30 November 20091,545 × 1,077 (228 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 p

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