User Manual

2-34
AK3(CPLX) * 2(Abs)
(d+e1(
i ) )w
(Calculation of absolute value)
* fx-7400G
III: 2(CPLX)
AK3(CPLX) * 3(Arg)
(d+e1(
i ) )w
(Calculation of argument)
* fx-7400G
III: 2(CPLX)
• The result of the argument calculation differs in accordance with the current angle unit
setting (degrees, radians, grads).
k Conjugate Complex Numbers [OPTN] - [CPLX] - [Conj]
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(CPLX) * 4(Conj)
(c+e1(
i ) )w
* fx-7400G
III: 2(CPLX)
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 + b i .
Example To extract the real and imaginary parts of the complex number 2 + 5
i
AK3(CPLX) * 6( g) 1(ReP)
(c+f6( g) 1(
i ) )w
(Real part extraction)
* fx-7400G
III: 2(CPLX)
AK3(CPLX) * 6( g) 2(ImP)
(c+f6( g) 1(
i ) )w
(Imaginary part extraction)
* fx-7400G
III: 2(CPLX)
k Polar and Rectangular Form Transformation [OPTN] - [CPLX] - [ 'r ∠  ]/[ 'a + bi ]
Use the following procedure to transform a complex number displayed in rectangular form to
polar form, and vice versa.