User Manual

2-33
k Arithmetic Operations [OPTN] - [CPLX] - [ i ]
Arithmetic operations are the same as those you use for manual calculations. You can even
use parentheses and memory.
Example (1 + 2
i ) + (2 + 3 i )
AK3(CPLX) *
(b+c1(
i ) )
+(c+d1(
i ) )w
* fx-7400G
III: 2(CPLX)
k Reciprocals, Square Roots, and Squares
Example (3 + i )
AK3(CPLX) *
!x( ') (d+1(
i ) )w
* fx-7400G
III: 2(CPLX)
k Complex Number Format Using Polar Form
Example 2 ∠ 30 × 3 ∠ 45 = 6 ∠ 75
!m(SET UP) cccccc*
1(Deg) c3(
r ∠  ) J
Ac!v( ∠ ) da*d
!v( ∠ ) efw
* fx-7400G
III: ccccc
k Absolute Value and Argument [OPTN] - [CPLX] - [Abs]/[Arg]
The unit regards a complex number in the form
a + b i as a coordinate on a Gaussian plane,
and calculates absolute value ⎮ Z ⎮ and argument (arg).
Example To calculate absolute value (
r ) and argument (  ) for the complex number
3 + 4 i , with the angle unit set for degrees
Imaginary axis
Real axis