Casio CFX9850GBPLUS User Manual page 111

k Absolute Value and Argument
The unit regards a complex number in the form
and calculates absolute value Z and argument (arg).
Example To calculate absolute value (
number 3 + 4
A K 3 (CPLX)2 (Abs)
(d+e 1 (
(Calculation of absolute value)
A K 3 (CPLX)3 (Arg)
(d+e 1 (
(Calculation of argument)
k Conjugate Complex Numbers
A complex number of the form
a – b i
.
Example To calculate the conjugate complex number for the complex number 2
+ 4
A K 3 (CPLX)4 (Conj)
(c+e 1 (
# The result of the argument calculation differs
in accordance with the current angle unit
setting (degrees, radians, grads).
2-6-3
Complex Number Calculations
i
, with the angle unit set for degrees
Imaginary axis
i
)) w
i
)) w
a + b i
becomes a conjugate complex number of the form
i
i )) w
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[OPTN] - [CPLX] - [Abs]/[Arg]
a b i
+ as a coordinate on a Gaussian plane,
r
) and argument ( θ ) for the complex
Real axis
[OPTN] - [CPLX] - [Conj]