Using Scientific Constants On A Casio Classwiz fx-991EX | fx-570EX Physics Formula - YouTube
Getting Started with Casio Classwiz FX-991EX FX-87DEX FX-570EX Calculator - YouTube
Amazon.com : Casio FX-991EX Engineering/Scientific Calculator, Black, 3" x 6.5" x 0.4" : Office Products
Casio ClassWiz Fx-991EX Scientific Calculator Has A Spreadsheet Function - SlashGear
User manual Casio FX-991ES Plus (English - 46 pages)
Casio FX-300ESPLUS2 Scientific Calculator Natural Textbook Display, Black - Walmart.com
Amazon.com : Casio FX-991EX Engineering/Scientific Calculator, Black, 3" x 6.5" x 0.4" : Office Products
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