Casio FX-7400GII - SOFTWARE VERSION 2-00 User Manual page 70

(Calculation of absolute value)
(Calculation of argument)
• The result of the argument calculation differs in accordance with the current angle unit
setting (degrees, radians, grads).
Conjugate Complex Numbers
A complex number of the form
a – bi
.
Example To calculate the conjugate complex number for the complex number
2 + 4
Extraction of Real and Imaginary Parts
Use the following procedure to extract the real part
number of the form
Example To extract the real and imaginary parts of the complex number 2 + 5
(Real part extraction)
(Imaginary part extraction)
Polar and Rectangular Form Transformation
Use the following procedure to transform a complex number displayed in rectangular form to
polar form, and vice versa.
(CPLX)* (Abs)
i
( )
II
* fx-7400G :
(CPLX)* (Arg)
i
( )
II
* fx-7400G :
a + bi
becomes a conjugate complex number of the form
i
(CPLX)* (Conj)
i
( )
II
* fx-7400G :
a bi
+ .
(CPLX)* ( )
( )
II
* fx-7400G :
(CPLX)* ( )
( )
II
* fx-7400G :
(CPLX)
(CPLX)
(CPLX)
a
and the imaginary part
(ReP)
i
( )
(CPLX)
(ImP)
i
( )
(CPLX)
[OPTN]-[CPLX]-[
2-32
[OPTN]-[CPLX]-[Conj]
[OPTN]-[CPLX]-[ReP]/[lmP]
b
from a complex
r
]/[
i
a bi
+ ]