Arithmetic Operations; Reciprocals, Square Roots, And Squares - Casio FX-CG20 AU User Manual

Press K3(COMPLEX) to display the complex calculation number menu, which contains
the following items.
i
• { } ... {imaginary unit
• { Abs } / { Arg } ... obtains {absolute value}/{argument}
• { Conjg } ... {obtains conjugate}
• { ReP } / { ImP } ... {real}/{imaginary} part extraction
∠ } / { '
• { ' r a bi
+
• You can also use !a(
• Solutions obtained by the Real,
calculations when
' (– 8) = – 2 (Real)
x
Example: 3
• To input the " ∠ " operator into the polar coordinate expression (
k Arithmetic Operations
Arithmetic operations are the same as those you use for manual calculations. You can even
use parentheses and memory.
Example
k Reciprocals, Square Roots, and Squares
Example
i
input}
} ... converts the result to {polar}/{rectangular} form
) in place of K3(COMPLEX) 1(
i
a b i
+
x y m n
< 0 and = /
= 1 + 1.732050808
= 2 ∠ 60 ( ∠ , Deg mode)
r
i i
(1 + 2 ) + (2 + 3 )
AK3(COMPLEX)
(b+c1( i ) )
+(c+d1(
i
(3 + )
AK3(COMPLEX)
!x( ') (d+1(
∠ modes are different for power root (
r
and
n
when is an odd number.
i a b i
( + )
i ) )w
i ) )w
2-36
i
).
' )
x
∠ ), press !v( ∠ ).
r
[OPTN] - [COMPLEX] - [
i
]