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More about Solving D-11
Watch what happens when you use negative values for guesses:
Example: Find the root of the equation.
Enter the equation as an expression:
First attempt to find a positive root:
Keys: Display: Description:
X
Your negative guesses for the root.
Selects Equation mode; displays
the equation.
X
Solves for X; displays the result.
Keys: Display: Description:
Selects Equation mode.
X4
X
ÕÕ
Enters the equation.
Checksum and length.
Cancels Equation mode.
Keys: Display: Description:
X
_
Your positive guesses for the
root.
Selects Equation mode;
displays the left end of the
equation.
X
Calculates the root using
guesses 0 and 10.
05.00.3)] (x [x =−+÷