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HP -28S Manual Page 103

Advanced scientific calculator.
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Move the cross hairs just to the left of the minimum.
Digitize the point.
[ill[]
Move the cross hairs just to the right of the minimum and digitize the
point.
[ill[]
Return to the stack display.
IONI
3:
(0.99,1.97)
2:
(0.86,2.05)
1 :
(1. 15, 2. 05)
1iiI!II!mIIIIIII:JIDJlBIImImlDllll
The three points are in levels
1,
2, and 3. (Your points may differ
slightly from the illustration.)
Now combine the three estimates in a list. By doing so, you can han-
dle the three estimates as a single object. This is a typical use for
lists-combining several objects into one.
~~~~~~~~~------~
.1
LIST
I
3
-+LIST
1: { (0.99,1. 97)
(0.86,2.05)
Select the Solver menu.
I
SOLV
I
SOLVR
( 1. 15, 2. 05 ) )
D!1i)I!!iIlIDiJIEIDIDlIlIEIDI
1: { (0. 99, 1. 97)
(0.86,2.05)
(1.15~05)
)
o:::JtHffiJL-...Jc::::::Jc::::::Jc::::::J
The Solver menu shows all the variables in the current equation (only
X in this example).
102
8: The Solver
I

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