Casio fx-9860G SD - Manual (Page 337)

20050401
u u u u u General Confidence Interval Precautions
Inputting a value in the range of 0 < C-Level < 1 for the C-Level setting sets you value you
input. Inputting a value in the range of 1 < C-Level < 100 sets a value equivalent to your input
divided by 100.
# Inputting a value of 100 or greater, or a
negative value causes an error (Ma ERROR).
6-6-2
Confidence Interval