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D–6 More about Solving
f (x)
x
a
f (x)
x
b
Special Case: A Discontinuity and a Pole
Example: Discontinuous Function.
Find the root of the equation:
IP(
x) = 1.5
Enter the equation:
Keys: Display: Description:
|H
Selects Equation mode.
|"L
X
|
`|
1.5
1%2/)
Enter the equation.
|
/
/
Checksum and length.
Cancels Equation mode.
Now, solve to find the root:
Keys: Display: Description:
0
I
X
5
_
Your initial guesses for the root.
|H
1%2/)
Selects Equation mode; displays
the equation.