CGF12 Resetting calculator memory
This short video shows you some ways to reset the memory of a CASIO fx-CG50AU.
This short video shows you some ways to reset the memory of a CASIO fx-CG20AU.
This short video shows you some ways to reset the memory of a CASIO fx-CG50AU.
This short video shows you some ways to reset the memory of a CASIO fx-CG20AU.