HP 35s User Manual page 333

Watch what happens when you use negative values for guesses:
Keys:
X


X
Example: Find the root of the equation.
Enter the equation as an expression:
Keys:

X4
X
ÕÕ 



First attempt to find a positive root:
Keys:
X


X
Display:




[x (x 0.3)]

Display:



Display:
_



Description:
Your negative guesses for the root.
Selects Equation mode; displays
the equation.
Solves for X; displays the result.
0 5 . 0
Description:
Selects Equation mode.
Enters the equation.
Checksum and length.
Cancels Equation mode.
Description:
Your positive guesses for the
root.
Selects Equation mode;
displays the left end of the
equation.
Calculates the root using
guesses 0 and 10.
More about Solving
D-11