Casio FX-9750GII User Manual
Page 69
2-31
I 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
)
*(CPLX)*
@ A(
i
)
A B(
i
)
U
* fx-7400G
II
:
(CPLX)
I Reciprocals, Square Roots, and Squares
Example
(3 +
i
)
*(CPLX)*
i
)
U
* fx-7400G
II
:
(CPLX)
I Complex Number Format Using Polar Form
Example 2
30 s 345 = 675
(Deg)A(
r
Ƨ
)
)
A
* fx-7400G
II
, fx-9750G
II
:
AAAAA
I Absolute Value and Argument
[OPTN]-[CPLX]-[Abs]/[Arg]
The unit regards a complex number in the form
a
+
bi
as a coordinate on a Gaussian plane,
and calculates absolute value
²Z ²and argument (arg).
Example To calculate absolute value (
r
) and argument (
Ƨ
) for the complex number
3 + 4
i
, with the angle unit set for degrees
Imaginary axis
Real axis