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HP 33s User Manual

Page 334

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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.