Vintage Radio Shack Calculator EC-425 With Zippered Pouch and Manual

National Museum of American History

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Vintage Radio Shack Calculator EC-425 With Zippered Pouch and Manual

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Vintage Radio Shack Calculator EC-425 With Zippered Pouch and Manual

Vintage Radio Shack Calculator EC-425 With Zippered Pouch and Manual

File:Vintage Radio Shack Pocket Electronic Programmable Scientific Calculator, Model EC-4021, LCD Display, Made In Taiwan, Year Introduced - 1991 (16388315827).jpg - Wikimedia Commons

National Museum of American History

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