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Category:Calculators

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[[Category:Computer classes]]
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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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Revision as of 20:51, 29 November 2012

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

Media in category "Calculators"

This category contains only the following file.