HP 33S Owner's Manual

More about Solving
D–11
File name 33s-E-Manual-1008-Publication(1st).doc Page : 386
Printed Date : 2003/10/8 Size : 13.7 x 21.2 cm
º | Ï

º Î


Checksum and length.
Å

Cancels Equation
mode.
.005
e
X
5


_

Your positive guesses
for the root.
º d

Selects Equation
mode; displays the
equation.
Û
X


Solves for x using
guesses 0.005 and 5.
<

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 ne
g
ative
g
uesses
for the root.
2
z º d

Selects Equation
mode; displays the
equation.
Û
X
  
No root found for f(x).
~

Displays last estimate
of x.
<



Previous estimate was
much larger.
<

f(x) for last estimate is
rather large.
It's apparent from inspecting the equation that if x is a negative number, the
smallest that f(x) can be is 10. f(x) approaches 10 as x becomes a negative
number of large magnitude.
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HP 33S Specifications

General

Type	Scientific
Form factor	Pocket
Product color	Silver
Digits	10 digits
Display number of lines	2 lines
Keyboard type	Alphanumeric
Menus and prompts	Yes

Weight and Dimensions

Dimensions (WxDxH)	157 x 16 x 81 mm