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K conjugate complex numbers, K extraction of real and imaginary parts, K polar and rectangular form transformation – Casio FX-CG10 User Manual

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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

]/[

'

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

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