Casio CFX-9850G PLUS, User'S Manual & Technical Reference

Page: 98 / 486

70
A K 3
(CPLX)
2
(Abs)
(d+e 1
(
i
)
) w
(Calculation of absolute value)
A K 3
(CPLX)
3
(Arg)
(d+e 1
(
i
)
) w
(Calculation of argument)
• The result of the argument calculation differs in accordance with the current
angle unit setting (degrees, radians, grads).
k k k k k
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
A K 3
(CPLX)
4
(Conj)
(c+e 1
(
i
)
) w
k k
k k
k
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
A K 3
(CPLX)
5
(ReP)
(c+f 1
(
i
)
) w
(Real part extraction)
A K 3
(CPLX)
6
(ImP)
(c+f 1
(
i
)
) w
(Imaginary part extraction)
4 - 2
Performing Complex Number Calculations