Conjugate complex number (conjg), Absolute value and argument (abs, arg), E-57 – Casio fx-5800P User Manual
Page 58

E-57
Example 1: 2 × (
'
3 +
i
) = 2
'
3 + 2
i
= 4
∠ 30
Bv
2*(!3e+i)E
b
2*(!3)+i)E
When using linear display format, calculation results are displayed
in two lines showing the absolute value and argument.
Example 2: 1 +
i
=
'
2
∠ 45
Bv
1+iE
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
B
z – {COMPLX} 3(Conjg)2+3i)E
k
Absolute Value and Argument (Abs, Arg)
You can use the procedure shown below to obtain the absolute value (|
z
|) and argument
(Arg(
z
)) 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
b
v
Absolute Value:
z – {COMPLX} 1(Abs)2+2i)E
b =
2
a =
2
o
Imaginary axis
Real axis
b =
2
a =
2
o
Imaginary axis
Real axis