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Sharp EL-506 Handheld Electronic Calculator | Smithsonian Institution
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Eddie's Math and Calculator Blog: Retro Review: Sharp EL-506A
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Virtual Museum of Calculators
Virtual Museum of Calculators
Vintage SHARP EL-506S Scientific Calculator Made in Japan Case Tested Works - Etsy
Finally, I can share the manual for Sharp EL-506P https://it.scribd.com/document/520546094/Sharp-EL-506P-Manual : r/calculators
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Sharp EL-506H
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Virtual Museum of Calculators
File:Sharp EL-506H.jpg - Wikimedia Commons
Vintage SHARP EL-506S Scientific Calculator Made in Japan Case Tested Works - Etsy Sweden
