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HP -28S Manual Page 89

Advanced scientific calculator.
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The result matches the previous answer.
Now try algebraic syntax.
c:::J
PSUM
OJ OJ
2
Q
36
.CD
Q
OJ
3
Q
651
ENTER
I
2:
(4.85 53.46)
1:
'PSUM«2,36),~3,65"
I
IIi!lDDlIIm. . .
m:IlI_
The outer parentheses and the center comma define the arguments to
PSUM; the other parentheses and commas are part of complex-num-
ber syntax. Don't forget that you need
two
sets of parentheses when
using a complex number as an argument in algebraic syntax.
Evaluate the expression.
IEvALI
3:
(4.85,53.46)
2:
(4.85,53.46)
1:
(4.85,53.46)
IIi!lDDlIIm. . .
m:IlI_
88
6: Complex-Number Functions

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