Casio FX 115MS - Plus Scientific Calculator Panduan Pengguna - Halaman 10
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k Absolute Value and Argument
Calculation
Supposing the imaginary number expressed by the
rectangular form
Gaussian plane, you can determine the absolute value (
and argument ( ) of the complex number. The polar form
r
is
.
• Example 1: To determine the absolute value (
argument ( ) of 3+4
r
(
5 )
53.13010235 °)
(
• The complex number can also be input using the polar
r
form
.
• Example 2:
k Rectangular 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
(Angle unit: Deg)
z
a
=
+
i
Imaginary axis
2
45
(Angle unit: Deg)
↔ 1.414213562
i
L
bi
is represented as a point in the
(Angle unit: Deg)
r
(
= 5 ,
A A R
A a R
i
1
1 + i A Y = A r
A Q
2
45
E-8
r
= 53.13010235 °)
Real axis
i T =
+
3
4
i T =
+
3
4
L
A Q
2
45
A Z = A r
r
)
) and
=
45
A r