L-hn jl8f^l6fvt, C3,-l), S) q – HP 48G User Manual
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Example:
Find the square roots of 8 — 6i.
S t e p 1 :
Type the complex number.
l - h n .... j l 8 f ^ l 6 f V T |
(8
-
6
)
EaisMiBgaT?nK»iBB3toi
S t e p 2 :
Find the principal square root and make an extra
copy.
^ f E N T E R )
£ :
( 3 , - n
1:
C3,-l)
S t e p S :
Find the conjugate root.
(MTHK
n
XT)
fNXT)
1 :
(3,-1)
(3,1)
Algebraics containing complex numbers can be manipulated
symbolically in the same way as reahnumber expressions.
Example:
Calculate the sine of (.6,2).
(SIN 1
(EVAL)
1: (£.12429548041,
2.993.3??0649)
Example:
Use the Equation Writer application to enter an expression
representing the complex number 2
2 i \ / 3 .
Then evaluate
the expression to get a complex result.
S t e p 1 :
Enter the expression.
S)
Q
2
(o|5DI
® 3
(ENTER)
S t e p
3 :
Convert the
expression to a number
JiLl
1:
'2-2*1*13'
sjE-izgKTggj&iMiFiiiiiBiiHiiiM
1: (2,-3.46410161514)
3-12 Arithmetic