Casio fx-991EX User Manual

fx-991EX Quick Start Guide20
The fx-991EX can calculate several one-variable statistics, and also analyze relationships between two data sets
using various regression models.
From the Main Menu, use the arrow keys to highlight the
Statistics icon, then press p or press 6.
On the resulting menu, select 1 for “1-Variable” statistics.
A data entry screen appears.
This example uses the following list of some students’ heights,
given in inches: 70.5, 74, 67, 71, 71, 72, 73.5, 72, 69, 71.
Enter data by typing in each value one at a time, with each
followed by the p key.
70.5p, 74p, etc.
To calculate the 1-Variable statistics for this data set,
press i3(1-Variable Calc).
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