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Display problem in my fx-991ES PLUS. Pictures with max contrast to show all the display. : r/calculators
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Casio fx-991ES PLUS 2 Calcolatrice Scientifica con 417 Funzioni e Display, Naturale - Casio - Cartoleria e scuola | IBS
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Amazon.com : Casio fx-991ES Plus 2 Scientific Calculator with 417 Functions and Display, Natural : Office Products
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