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Pre 20th Century Computing Devices

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Visit this site: http://www.tased.edu.au/schools/rokebyh/curric/infotech/stage1/assign2/pre20th.htm

Author:Rokeby High School, Rokeby, Tasmania
Description: Contents include: Stone Computers; Abacus; Napier's Bones; The First Calculating Machine; Blaise Pascal's Adding Machine; Gottfried Leibnitz; The First Pocket Calculator; Jacquard's Loom; Luddites; Charles Babbage; The First Programmer; Herman Hollerith.

Levels: Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Calculators
Math Topics: Basic Operations

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