Ten-key touch system on modern calculatorsGilbert Eckern

Ten-key touch system on modern calculators

Gilbert Eckern, Walt Hardin, Eckern, Hardin · 2000

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Book details

Year: 2000
Language: English
Publisher: Star Pub.
Editions: 3
Pages: 113
ISBN: 9780898632194

Data source: Wikidata

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