I conjugate complex numbers, I extraction of real and imaginary parts, I polar and rectangular form transformation – Casio FX-9750GII User Manual
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*(CPLX)*(Abs)
B C(
i
)
U
(Calculation of absolute value)
* fx-7400G
II
:
(CPLX)
*(CPLX)*(Arg)
B C(
i
)
U
(Calculation of argument)
* fx-7400G
II
:
(CPLX)
• The result of the argument calculation differs in accordance with the current angle unit
setting (degrees, radians, grads).
I Conjugate Complex Numbers
[OPTN]-[CPLX]-[Conj]
A complex number of the form
a + bi
becomes a conjugate complex number of the form
a – bi
.
Example To calculate the conjugate complex number for the complex number
2 + 4
i
*(CPLX)*(Conj)
A C(
i
)
U
* fx-7400G
II
:
(CPLX)
I Extraction of Real and Imaginary Parts
[OPTN]-[CPLX]-[ReP]/[lmP]
Use the following procedure to extract the real part
a
and the imaginary part
b
from a complex
number of the form
a
+
bi
.
Example To extract the real and imaginary parts of the complex number 2 + 5
i
*(CPLX)*(E)(ReP)
A D(E)(
i
)
U
(Real part extraction)
* fx-7400G
II
:
(CPLX)
*(CPLX)*(E)(ImP)
A D(E)(
i
)
U
(Imaginary part extraction)
* fx-7400G
II
:
(CPLX)
I Polar and Rectangular Form Transformation
[OPTN]-[CPLX]-[
r
Ƨ
]/[
a
+
bi
]
Use the following procedure to transform a complex number displayed in rectangular form to
polar form, and vice versa.