Casio CFX-9800G-w Owners Manual - Page 63

InEsmongullil

Page 63 highlights

4 III Chapter Complex Numbers This calculator is capable of performing the following operations using complex numbers. *Arithmetic operations (addition, subtraction, multiplication, division) *Calculation of the reciprocal, square root, and square of a complex number *Calculation of the absolute value and argument of a complex number *Calculation of conjugate complex numbers *Extraction of the real number part •Extraction of the imaginary number part 4-1 Before Beginning a Complex Number Calculation Before beginning a complex number calculation, press ber calculation menu. - to display the complex num- al) E(Abs) El(Arg) El(Crlp IFs (ReP) Fe (ImP) InrignintERIM IriiP EEEEEE Input of imaginary unit i Calculation of absolute value Calculation of argument Calculation of conjugate Extraction of real number part Extraction of imaginary number part 4.2 Performing Complex Number Calculations The following examples show how to perform each of the complex number calculations available with this calculator. IMArithmetic Operations Arithmetic operations are the same as those you use for manual calculations (page 64). You can even use parentheses and memory. Example 1 (1+ 2i)+(2 + 3i)= C3 EIMOMEWMCI ClIDOME(0WIE r +21)+

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Chapter
4
III
Complex
Numbers
This
calculator
is
capable
of
performing
the
following
operations
using
complex
numbers.
*Arithmetic
operations
(addition,
subtraction,
multiplication,
division)
*
Calculation
of
the
reciprocal,
square
root,
and
square
of
a
complex
number
*Calculation
of
the
absolute
value
and
argument
of
a
complex
number
*
Calculation
of
conjugate
complex
numbers
*Extraction
of
the
real
number
part
•Extraction
of
the
imaginary
number
part
4-1
Before
Beginning
a
Complex
Number
Calculation
Before
beginning
a
complex
number
calculation,
press
to
display
the
complex
num-
ber
calculation
menu.
-
InrignintERIM
EEEEEE
IriiP
al)
Input
of
imaginary
unit
i
E(Abs)
Calculation
of
absolute
value
El(Arg)
Calculation
of
argument
El(Crlp
Calculation
of
conjugate
IFs
(ReP)
Extraction
of
real
number
part
Fe
(ImP)
Extraction
of
imaginary
number
part
4.2
Performing
Complex
Number
Calculations
The
following
examples
show
how
to
perform
each
of
the
complex
number
calculations
available
with
this
calculator.
IMArithmetic
Operations
Arithmetic
operations
are
the
same
as
those
you
use
for
manual
calculations
(page
64).
You
can
even
use
parentheses
and
memory.
Example
1
(1+
2i)+(2
+
3i)=
EIMOMEWMCI
r
3+5i
+21)+<2+33.)
C3
ClIDOME(0WIE
-90-
Example
2
(2+i)x(2—i)=
CCOMICI
IDEICIE(01[31
EIECIEWCIEI
2+r)
x
)
InEsmongullil
IIReciprocals,
Square
Roots,
and
Squares
Example
CS
CI
EILIMCIE(OWID
EKE
li(3+3.)
1.755317302
+0.2848487841
_
IlAbsolute
Value
and.
Argument
The
unit
regards
a
complex
number
in
the
format
Z
=a
+
bi
as
a
coordinate
on
of
a
Gaussian
plane,
and
calculates
absolute
value
IZI
and
argument
(arg).
To
calculate
-
absolute
value
Oland
argument
(0)
for
the
complex
num-
ber
3+4i,
,
with,
the
unit
of,
angular
measurement
set
for
degrees.
,
Imaginary
Number
Axis
Example
4
rlionCIE(Abs)
MEICCIE(Olg
(Calculation
of
absolute
value)
-91
-
Real
Number
Axis
r
bs
<3+41.)
Innwfrimml
E
SI