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Got ahold of a Casio fx-991ex and CG-50 to match my Classpad II. I'm really impressed with them but there is something about the fx-991ex... (see comments) : r/calculators
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Casio FX991EX: ClassWiz FX-991EX Scientific Calculator – Icon Menu Display, Textbook Display, Slide-on Hard Case, Spreadsheet, Natural-VPAM – Solar, Battery Powered – 3" x 6.5" x 0.4" – 1 Each
