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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 rЄ
.
• 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 rЄ
.
• Example 2: 2 Є 45 ҃
1
ѿ 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
ѿ i ↔
1.414213562 Є 45
(Angle unit: Deg) 1 + i A Y < A r
L
2 A Q 45 A Z < A r
Imaginary axis
Real axis