Difference between revisions of "Category:Calculators"

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[[File:Calculator 1899 Calculator Champaign County Historical Museum Attribution.jpg|200px|thumb|left|A calculator created by Otto Steiger and Hans W. Egli on 1899 - Image by Dori and the Champaign County Historical Museum. ]]
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[[File:Calculator 1899 Calculator Champaign County Historical Museum Attribution.jpg|200px|thumb|right|A calculator created by Otto Steiger and Hans W. Egli on 1899 - Image by Dori and the Champaign County Historical Museum. ]]
  
 
[[Category:Computer_classes|{{PAGENAME}}]]
 
[[Category:Computer_classes|{{PAGENAME}}]]

Revision as of 20:52, 29 November 2012

A calculator created by Otto Steiger and Hans W. Egli on 1899 - Image by Dori and the Champaign County Historical Museum.