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:
CASIO fx-991ARX – Casio
CASIO FX-991EX QUICK START MANUAL Pdf Download | ManualsLib
CASIO fx-991ARX – Casio
Casio FX-300ES user manual (English - 54 pages)
Displaying values when using a formula in Spreadsheet mode - Casio Classwiz fx-991EX fx-570EX - YouTube
Amazon.com : Casio FX-991EX Engineering/Scientific Calculator, Black, 3" x 6.5" x 0.4" : Office Products
Function Calculations - Casio fx-82EX User Manual [Page 13] | ManualsLib