Casio fx-9860G SD - Manual (Page 109)

20050401
2-6-2
Complex Number Calculations
k k k k k Arithmetic Operations
[OPTN]-[CPLX]-[i]
Arithmetic operations are the same as those you use for manual calculations. You can even
use parentheses and memory.
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Example 1 (1 + 2i) + (2 + 3i)
AK3(CPLX)
(b+c 1( i ))
+(c+d 1( i ))w
○ ○ ○ ○ ○
Example 2 (2 + i)
× (2 – i)
AK3(CPLX)
(c+ 1( i ))
*(c- 1( i ))w
k k k k k Reciprocals, Square Roots, and Squares
○ ○ ○ ○ ○
Example (3 + i)
AK3(CPLX)
!x( )(d+1( i ))w
k k k k k Complex Number Format Using Polar Form
○ ○ ○ ○ ○
Example 2 ∠ 30
× 3 ∠ 45 = 6 ∠ 75
!m(SET UP)cccccc
1(Deg)c3(
r ∠ θ)J
Ac!v( ∠)da*d
!v( ∠)efw
# You can also use !a( i ) in place of
K 3(CPLX)1( i ).