Casio fx-991EX User Manual

fx-991EX Quick Start Guide24
The 2-Variable statistics display calculation results for both x and y:
Two columns for pairwise data (ordered pairs) now appears.
Note, the Frequency (Freq) column still appears; press
qp(SET UP)R3(Statistics)2(Off)
to remove it.
Input the ordered pairs (1, 1), (2, 4), (3, 9), and (4, 16). Use the
arrow keys to navigate to the “y” column as necessary.
To view 2-Variable statistics or the linear regression results,
press i3.
Other regressions, including quadratic, logarithmic, exponential,
and geometric, can be accessed via i1(Select Type).
Press Ci4(Regression Calc) to display the linear
regression results.
STATISTICS

Casio fx-991EX Specifications

General

Type	Scientific
Cover	No
Form factor	Pocket
Control type	Buttons
Product color	Black, White
Battery type	LR44
Power source	Battery/Solar
Number of batteries supported	1
Digits	16 digits
Display type	LCD
Display resolution	192 x 63 pixels
Display number of lines	2 lines
Display number of characters	16
Storage media type	-
Operation	552
Conversion between	Decimal, Fraction, Percent
Convert angles from degrees to	Gradian, Radian
Random number/integer generator	Yes

Weight and Dimensions

Depth	165.5 mm
Width	77 mm
Height	11.1 mm
Weight	90 g