1+1 i, 2+3 i, Conjugate complex number (conjg) – Casio fx-50F PLUS User Manual
Page 37: Absolute value and argument (abs, arg)

E-36
A Polar Coordinate Format ( r
∠
Ƨ)
1,(SETUP)eee2(
r
∠
Ƨ
)
Example 1: 2 × (
'
3 +
i
) = 2
'
3 + 2
i
= 4
∠
30
2*(93)+W(
i
)
)E
1E(Re⇔ Im)
∠
symbol turns on during display of
Ƨ
-value.
Example 2: 1 + 1
i
= 1.414213562
∠
45 (Angle Unit: Deg)
1+1W(
i
)
E
1E(Re⇔ Im)
k
Conjugate Complex Number (Conjg)
You can perform the operation below to obtain conjugate complex number
¯ z
=
a
+
b
i
for the
complex number
z
=
a
+
b
i
.
Example: Obtain the conjugate complex number of 2 + 3
i
1,(Conjg)2+3W(
i
)
)E
1E(Re⇔ Im)
k
Absolute Value and Argument (Abs, arg)
You can use the procedure shown below to obtain the absolute value (|
z
|) and argument (arg)
on the Gaussian plane for a complex number in the format
z
=
a
+
b
i
.
Example:
To obtain the absolute value and argument of 2 + 2
i
(Angle Unit: Deg)
2×
(
'
(
3
) +
i
)
4
2×
(
'
(
3
) +
i
)
4
2×
(
'
(
3
) +
i
)
30
2×
(
'
(
3
) +
i
)
30
1+1 i
1414213562
1+1 i
1414213562
1+1 i
45
1+1 i
45
Con
jg(
2+3 i
)
2
Con
jg(
2+3 i
)
2
Con
jg(
2+3 i
)
-3
Con
jg(
2+3 i
)
-3
b =
2
a =
2
o
Imaginary axis
Real axis
b =
2
a =
2
o
Imaginary axis
Real axis