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Calculating Machines

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Visit this site: http://www.webcom.com/calc/
Author:Erez Kaplan
Description: Mechanical calculating machines presented from a collector's point of view. Site contents include a chronological description of the machines and their inventors, a classification system and image archive, an advertisement archive, and information on some early non-mechanical devices: the abacus and the slide rule. With links to other reference sites, publications, and a mailing list.
Levels: Elementary, Middle School (6-8), High School (9-12), College
Languages: English
Resource Types: Calculators, Books, Magazines
Math Topics: Basic Operations, History and Biography

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