Changing the language on a Casio fx-50FH II is a straightforward process handled through the setup menu. How to Change the Language
The Casio fx-50FH II is a "Programmable Scientific Calculator," meaning it does much more than basic arithmetic. The official PDF manual is the best resource for: casio fx 50fh ii manual pdf language change
Knowing how to reset the memory without losing specific data. Finding the Manual Online Changing the language on a Casio fx-50FH II