Casio – Casio FX-CG10 User Manual
Page 83
CASIO
2-37
k Conjugate Complex Numbers
[OPTN] - [COMPLEX] - [Conjg]
A complex number of the form
a
+
b i
becomes a conjugate complex number of the form
a
–
b i
.
Example
To calculate the conjugate complex number for the complex number
2 + 4
i
AK3(COMPLEX) 4(Conjg)
(c+e
1(
i
) )
w
k Extraction of Real and Imaginary Parts
[OPTN] - [COMPLEX] - [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
+
b i
.
Example
To extract the real and imaginary parts of the complex number 2 + 5
i
AK3(COMPLEX) 6( g) 1(ReP)
(c+f
6( g) 1(
i
) )
w
(Real part extraction)
AK3(COMPLEX) 6( g) 2(ImP)
(c+f
6( g) 1(
i
) )
w
(Imaginary part extraction)
k Polar and Rectangular Form Transformation
[OPTN] - [COMPLEX] - [
'
r
∠ Ƨ
]/[
'
a
+
bi
]
Use the following procedure to transform a complex number displayed in rectangular form to
polar form, and vice versa.
Example
To transform the rectangular form of complex number 1 +
'
3
i
to its
polar form
!m(SET UP) cccccc
1(Deg) c2(
a
+
b i
)
J
Ab+(!x( ') de)
K3(COMPLEX) 1(
i
)
6( g)
3(
'
r
∠
θ ) w
Ac!v( ∠ ) ga
K3(COMPLEX) 6( g) 4(
'
a
+
b i
)
w