fx-991EX: Creating a Table and Finding a Regression - YouTube
Casio FX-991EX specifications
fx-991EX-BU | CASIO
Casio fx-991EX Classwiz for High School... by Getling, David
User manual Casio FX-991EX (English - 46 pages)
fx-991ES PLUS 2nd edition | Non programmable | scientific calculator | CASIO
International Chemistry Olympiad - IChO - For the competition purposes, all the competitors will be given a calculator Casio fx-991EX. The manual for the calculator can be downloaded from the following link: