Casio fx-991EX User Manual

fx-991EX Quick Start Guide16
Enter the values of the coefcients, pressing p after each
one to move to the next value.
Press C to return to the Matrix Calculation screen.
The solution can be found by calculating A
-1
x B.
Press i3(MatA)uOi4(MatB)p.
The solution represents the following:
This same system can also be solved using the Equation icon.
MATRIX

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