Casio FX-100AU PLUS User Manual page 12

Specifying the Display Format
To specify this
display format:
Natural Display
(MthIO-MathO)
Natural Display
(MthIO-LineO)
Linear Display
(LineIO)
Natural Display (MthIO-MathO, MthIO-LineO) causes fractions, irrational
numbers, and other expressions to be displayed as they are written on
paper.
MthIO-MathO displays input and calculation results using the same format
as they are written on paper.
MthIO-LineO displays input the same way as MthIO-MathO, but
calculation results are displayed in linear format.
Linear Display (LineIO) causes fractions and other expressions to be
displayed in a single line.
Examples:
MthIO-MathO
MthIO-LineO
(Number Format: Norm 1)
MthIO-LineO
(Number Format: Norm 2)
Perform this key operation:
(SETUP)
(SETUP)
(SETUP)
11
(MthIO) (MathO)
(MthIO) (LineO)
(LineIO)