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
Casio Classwiz fx-991EX - Storing and Recalling Values | Casio Calculator Store Function fx-570EX - YouTube
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Casio Classwiz fx-991EX - Storing and Recalling Values | Casio Calculator Store Function fx-570EX - YouTube
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