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HP 9100A Calculator 1968
 

 

 

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Summary

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 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.
Date 3 November 2007(2007-11-03)
Source Own work
Author Swtpc6800 en:User:Swtpc6800 Michael Holley
Other versions

File:HP 9100A Calculator 1968 front.jpg

Licensing

Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Licensing:
Public Domain


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EXIF data:
File name hp_9100a_calculator_1968.jpg
Size, Mbytes 0.179223632813
Mime type image/jpeg
Camera manufacturer Canon
Camera model Canon PowerShot A630
Orientation of image 1
Image resolution in width direction 150
Image resolution in height direction 150
Unit of X and Y resolution 2
Exposure time 1/20 sec (0.05)
F number f / 3.5
Compressed bits per pixel 3
Exif version 0220
Lens focal length 12.565 mm
Date and time original image was generated 2007:11:03 18:01:54
Date and time image was made digital data 2007:11:03 18:01:54
Meaning of each component 
Shutter speed 4.3125
Aperture 3.625
Exposure bias 0
Maximum lens aperture 3.625
Metering mode 5
User comments
Supported Flashpix version 0100
Color space information 1
Exif image width 1305
Exif image length 1125
InteroperabilityOffset 1072
Focal plane X resolution 11412.5874126
Focal plane Y resolution 11439.2523364
Focal plane resolution unit 2
Sensing method 2
Digital zoom ratio 1
Interoperability index R98
Interoperability version 0100
Software used Adobe Photoshop Elements 5.0 Windows


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