Casio fx-991ES PLUS User Manual

Underlined ( ___ ) settings are initial defaults.
Specifying the Display Format
To specify this
display format:
Perform this key operation:
Natural Display
(MthIO-MathO)
(SETUP) (MthIO) (MathO)
Natural Display
(MthIO-LineO)
(SETUP) (MthIO) (LineO)
Linear Display
(LineIO)
(SETUP) (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)
11

Casio fx-991ES PLUS Specifications

General

Type	Scientific
Cover	No
Form factor	Desktop
Control type	Buttons
Product color	Gray
Digits	15 digits
Display type	Dot-matrix
Display resolution	96 x 31 pixels
Display number of lines	10 lines
Storage media type	Not available
Battery life	3 year(s)
Battery type	LR44
Power source	Battery/Solar
Number of batteries supported	1
Symbolic notation	Square root
Conversion between	Decimal, Fraction, Percent
Convert angles from degrees to	Gradian, Radian
Random number/integer generator	Yes

Weight and Dimensions

Depth	162 mm
Width	80 mm
Height	11.1 mm
Weight	95 g