Casio fx-3650P User Manual

E-18
kAbsolute Value and Argument Calculation
Supposing the imaginary number expressed by the rectangular form
z = a + bi is represented as a point in the Gaussian plane, you can
determine the absolute value (r) and argument ( ␪ ) of the complex
number. The polar form is r⬔ ␪ .
• Example 1: To determine the absolute value (r) and argument ( ␪ ) of
3 + 4i (Angle unit: Deg) (r = 5 , ␪ = 53.13010235 °)
(r  5 ) A A R 3 + 4 i T <
( ␪  53.13010235 °) A a R 3 + 4 i T <
•The complex number can also be input using the polar form r⬔ ␪ .
• Example 2: 2 ⬔ 45  1  i
(Angle unit: Deg)
L 2 A Q 45 <
A
r
kRectangular Form ↔ Polar Form Display
You can use the operation described below to convert a rectangular form
complex number to its polar form, and a polar form complex number to its
rectangular form. Press A r to toggle the display between the absolute
value (r) and argument ( ␪ ).
• Example: 1  i ↔ 1.414213562 ⬔ 45
(Angle unit: Deg) 1 + i A Y < A r
L
2 A Q 45 A Z < A r
Imaginary axis
Real axis

Casio fx-3650P Specifications

General

Type	Scientific
Form factor	Pocket
Housing material	Plastic
Digits	12 digits
Digit comma separator	Yes
Display number of lines	2 lines
Digit comma separator format	Standard (3 digits)
Battery type	LR44
Number of batteries supported	1

Weight and Dimensions

Weight	100 g
Dimensions (WxDxH)	78 x 157 x 12 mm