One-Variable Statistics and Visualization with the fx-991EX Scientific Calculator – Blog: Strategies, Resources, & EdTech Tips
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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 fx-991EX keeps giving math error for simple calculations like ((1/2)/2) and sin inverse (10) etc. Any idea on how to fix this? Is there a chance that the calculator may be
My FX-991EX seems to be stuck. It's not taking any inputs and not responding to reset button. : r/calculators
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Binomial Probabilities on the Casio fx-991EX ClassWiz Calculator | ExamSolutions Maths Revision - YouTube
