HP 33s - Manual (Page 334)

D–10 More about Solving
‡
 Cancels Equation mode.
Now, solve to find the root:
Keys: Display: Description:
0 I X
10


_ Your initial guesses for the root.
| H
%:. º%- Selects Equation mode; displays
the equation.
 X  !  Search fails with guesses 0 and
10
b | 
)   Displays the final estimate of x.
| 
)   Previous estimate was not the
same.
)
 Final value for f(x) is relatively
large.
Example: An Asymptote.
Find the root of the equation
0
1
10
= −
X
Enter the equation as an expression.
Keys: Display: Description:
| H
 Selects Equation mode.
10  L X
| ` ‘


.#1%2 Enters the equation.
| 
/ 
/  Checksum and length.
‡
 Cancels Equation mode.
.005 I X
5 

_ Your positive guesses for the
root.
| H

.#1%2 Selects Equation mode; displays
the equation.
 X %/
)
 Solves for x using guesses
0.005 and 5.