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Amazon.com : FX-115ESPLUS Casio FX115ESPLUS Scientific Calculator Black 1-Pack 1 : Calculadora Cientifica Casio : Office Products
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Amazon.com : Casio FX-991EX Engineering/Scientific Calculator, Black, 3" x 6.5" x 0.4" : Office Products
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Casio Classwiz - Using a stored value of x in an equation (Calculator, fx-991ex, A level Maths) - YouTube
![Trying to calculate the first and third quartile with my casio fx-991EX but I'm not getting accurate results, any help? The correct quartiles are: Q1= 2.75 , Q3= 7.25 : r/calculators Trying to calculate the first and third quartile with my casio fx-991EX but I'm not getting accurate results, any help? The correct quartiles are: Q1= 2.75 , Q3= 7.25 : r/calculators](https://preview.redd.it/trying-to-calculate-the-first-and-third-quartile-with-my-v0-csddtepsntw91.jpg?width=640&crop=smart&auto=webp&s=c17d2fae862524589369ad8a80de77315c8e6eb8)