Casio fx-991EX User Manual

fx-991EX Quick Start Guide12
COMPLEX FORM AND POLAR FORM
To convert a complex number into polar form, press
2+5bUiR1(: r∠q)p.
To convert any polar form of a complex number, use the r theta
command or type in the angle in polar form.
Press C2qbZ330iR
2(: a+bi)p.
Alternately, simply type in the angle in polar form by pressing
2qbZ330p.
These calculations can also be accomplished in radian mode.
To change to radian mode, press qp(SET UP)2(Angle
Unit)2(Radian).
COMPLEX

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