Casio fx-570ES PLUS User Manual: Complex Number Calculations (cmplx)

Casio calculator user's guide.

To generate random integers in the range of 1 to 6
15
15
(Results shown here are for illustrative purposes only. Actual results will differ.)
16
16
To determine the number of permutations and combinations
possible when selecting four people from a group of 10
17
17
To perform the following calculations when Fix 3 is selected for the
number of display digits: 10 ÷ 3
(SETUP)
Complex Number Calculations
(CMPLX)
To perform complex number calculations, first press
enter the CMPLX Mode. You can use either rectangular coordinates (
or polar coordinates (
calculation results are displayed in accordance with the complex number
format setting on the setup menu.
i
(2 + 6
) ÷ (2
45 = ' 2 + ' 2
2
' 2 + ' 2
i
Note: • If you are planning to perform input and display of the calculation
result in polar coordinate format, specify the angle unit before starting the
calculation. • The
θ
of –180°
is selected will show
CMPLX Mode Calculation Examples
= 1
i
(1 –
)
–1
i
2
(1 +
)
+ (1 –
1
(RanInt) 1
Permutations:
Combinations:
(Fix)
r
θ) to input complex numbers. Complex number
i
i
) = 3 –
(Complex number format:
2
6
i
= 2
45
θ
value of the calculation result is displayed in the range
180°. • Display of the calculation result while Linear Display
a
bi
and
(or
1
i
+
2
2
i
2
)
= 0
i
(
)
10
10
3 and Rnd(10 ÷ 3)
10
(Rnd) 10
3
i
(
)
2
(Complex number format:
2
(Complex number format:
2
2
r
θ
and
) on separate lines.
(Complex number format:
1
(
1
(
E-18
(,) 6
(nPr) 4
(nCr) 4
3
3
3
3
a
bi
+
)
i
(
)
( ) 45
i
(
)
a
+
i
)
i
)
2
6
1
5040
210
10.000
9.999
(CMPLX) to
a
bi
+
)
i
3–
a
bi
+
)
' 2 +' 2
i
r θ
)
2 45
bi
)
1
1
+
i
2
2
0

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