1.what about the difference between ti-84 and casio ?
2.
"How much RMB had your mother taken away?"->A:
1000-A->A:
IF A>=780 THEN
LOCATE 2,2,"BUY A Fx-9860GII SD":
ELSE
Fx-5800P->LIST1[1]:
Fx-9750->LIST1[2]:
?->LIST1[3]:
?->B:
LOCATE 3,3,LIST1[B]:
END