Casio FX-991ES User Guide - Page 45

Conjugate Complex Number Conjg

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• With Linear format, the real part and imaginary part are shown in two different lines. Example 2: '2 ∠ 45 = 1 + i (Angle Unit: Deg) MATH CMPLX Math !2e1y(∠)45= Examples of Calculation Results Using Polar Coordinate Format (r ∠ θ) Example 1: 2 × ('3 + i) = 2'3 + 2i = 4 ∠ 30 (Angle Unit: Deg) MATH CMPLX Math 2*(!3e+i)= • With Linear format, the absolute value and argument are shown in two different lines. Example 2: 1 + i = '2 ∠ 45 (Angle Unit: Deg) MATH CMPLX Math 1+i= • Argument θ is output in the range of -180°< θ < 180°. Specifying the Calculation Result Display Format You can override complex number display settings and specify the format that should be used to display calculation results. • To specify rectangular coordinate format for the calculation result, perform the following key operation at the end of the calculation. 12(CMPLX)4('a+bi ) • To specify polar coordinate format for the calculation result, perform the following key operation at the end of the calculation. 12(CMPLX)3('r∠ θ ) Appendix 1 + i (= '2 ∠ 45) = 1.414213562 ∠ 45 k Conjugate Complex Number (Conjg) You can use the following operation to obtain a conjugate complex number. 12(CMPLX)2(Conjg) Appendix Determine the conjugate of the complex number 2 + 3i. E-43

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E-43
• With Linear format, the real part and imaginary part are shown in
two different lines.
Example 2:
'
2
∠
45 = 1 +
i
(Angle Unit: Deg)
MATH
!
2
e
1
y
(
∠
)
45=
Math
CMPLX
Examples of Calculation Results Using Polar
Coordinate Format (
r
∠
θ
)
Example 1:
2
×
(
'
3 +
i
) = 2
'
3 + 2
i
= 4
∠
30
(Angle Unit: Deg)
MATH
2*(
!
3
e
+
i
)=
Math
CMPLX
•
With Linear format, the absolute value and argument are shown in
two different lines.
Example 2:
1 +
i
=
'
2
∠
45
(Angle Unit: Deg)
MATH
1+
i
=
Math
CMPLX
• Argument
θ
is output in the range of –180
°
<
θ
<
180
°
.
Specifying the Calculation Result Display Format
You can override complex number display settings and
specify the
format that should be used to display calculation results.
•
To specify rectangular coordinate format for the calculation result,
perform the following key operation at the end of the calculation.
1
2
(CMPLX)
4
(
'
a
+
b
i
)
•
To specify polar coordinate format for the calculation result, perform
the following key operation at the end of the calculation.
1
2
(CMPLX)
3
(
'
r
∠
θ
)
Appendix
<#049> 1 +
i
(=
'
2
∠
45) = 1.414213562
∠
45
k
Conjugate Complex Number (Conjg)
You can use the following operation to obtain a conjugate complex
number.
1
2
(CMPLX)
2
(Conjg)
Appendix
<#050>
Determine the conjugate of the complex number 2 + 3
i
.