Casio FX-CG10, User Manual

Page: 86 / 608

2-37
k
Complex Number Format Using Polar Form
Example 2
∠
30
×
3
∠
45 = 6
∠
75
!m
(SET UP)
cccccc
1
(Deg)
c
3
(
r
∠
)
J
A
c
!v
(
∠
)
da*d
!v
(
∠
)
ef
w
k
Absolute Value and Argument
[OPTN] - [COMPLEX] - [Abs]/[Arg]
The unit regards a complex number in the form
a
+
b i
as a coordinate on a Gaussian plane,
and calculates absolute value
⎮
Z
⎮
and argument (arg).
Example To calculate absolute value (
r
) and argument ( ) for the complex
number 3 + 4
i
, with the angle unit set for degrees
Imaginary axis
Real axis
A
K
3
(COMPLEX)
2
(Abs)
d+e
1
(
i
)
w
(Calculation of absolute value)
A
K
3
(COMPLEX)
3
(Arg)
(d+e
1
(
i
)
)
w
(Calculation of argument)
• The result of the argument calculation differs in accordance with the current angle unit
setting (degrees, radians, grads).