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More about Solving
D–11
File name 33s-English-Manual-040130-Publication(Edition 2).doc Page : 388
Printed Date : 2004/1/30 Size : 13.7 x 21.2 cm
<
Previous estimate is the same.
<
º
Î
f (x) = 0
Watch what happens when you use negative values for guesses:
Keys: Display: Description:
1
z
e
X
Your negative guesses for the
root.
2
z
º
d
Selects Equation mode; displays
the equation.
Û
X
Solves for X; displays the result.
Example: Find the root of the equation.
05.00.3)] (x [x =−+÷
Enter the equation as an expression:
Keys: Display: Description:
º
d
Selects Equation mode.
?
h
X
¯
º
y
h
X
Ù
Ë
3
º
|
º
|
Ã
Ë
5
Ï
Enters the equation.
º
Î
Checksum and length.
Å
Cancels Equation mode.
First attempt to find a positive root:
Keys: Display: Description:
0
e
X
10
_
Your positive guesses for the
root.
º
d
Selects Equation mode; displays
the left end of the equation.
Û
X
Calculates the root using
guesses 0 and 10.