Casio fx-9750G PLUS User Manual
Page 98
70
A
K3
(CPLX)2(Abs)
(d+e1
(
i
))w
(Calculation of absolute value)
A
K3
(CPLX)3(Arg)
(d+e1
(
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
K3
(CPLX)4(Conj)
(c+e1
(
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
K3
(CPLX)5(ReP)
(c+f1
(
i
))w
(Real part extraction)
A
K3
(CPLX)6(ImP)
(c+f1
(
i
))w
(Imaginary part extraction)
4 - 2
Performing Complex Number Calculations