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20050401
2-6-2
Complex Number Calculations
kk
kk
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.
Example 1 (1 + 2i) + (2 + 3i)
AK3(CPLX)
(b+c1(i))
+(c+d1(i))w
Example 2 (2 + i) × (2 – i)
AK3(CPLX)
(c+1(i))
*(c-1(i))w
kk
kk
k Reciprocals, Square Roots, and Squares
Example
(3 + i)
AK3(CPLX)
!x( )(d+1(i))w
kk
kk
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
K3(CPLX)1(
i).