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Personal Digital Assistant (PDA) device, "Casio Cassiopeia E-10 Pocket PC," 1998 - Museum of History and Industry - University of Washington Digital Collections
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Casio - Cassiopeia A-21S - - Digital Diary - Casio Cassiopeia A21S - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
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