Casio fx-991ES PLUS User Manual

MthIO-LineO
(Number Format: Norm 2)
LineIO
(Number Format: Norm 1)
Note
• The calculator switches to Linear Display automatically whenever you enter the STAT,
BASE-N, MATRIX, or VECTOR Mode.
Specifying the Default Angle Unit
To specify this as the
default angle unit:
Perform this key operation:
Degrees (SETUP) (Deg)
Radians (SETUP) (Rad)
Grads (SETUP) (Gra)
90°= π/2 radians = 100 grads
Specifying the Number Format
Specifies the number of digits for display of a calculation result.
To specify this: Perform this key operation:
Number of Decimal
Places
(SETUP) (Fix) -
Number of Significant
Digits
(SETUP) (Sci) -
Exponential Display
Range
(SETUP) (Norm) (Norm 1) or
(Norm 2)
12

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