HP 35s Manuel utilisateur

HP 35s Scientific Calculator

Quick Start Guide

Edition 1

HP part number: F2215-90201

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Hewlett-Packard Company

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Printing History

Edition 1, version 4, Copyright December 2008

Contents

Table of Contents

Welcome to your HP 35s Scientific Calculator ........................ 1

Turning the Calculator On and Off ........................................ 2

Adjusting Display Contrast.................................................... 2

Keyboard ........................................................................... 3

Alpha Keys ......................................................................... 4

Cursor Keys ........................................................................ 4

Backspacing and Clearing.................................................... 4

Undo key............................................................................ 5

Using Menus....................................................................... 6

Exiting Menus ..................................................................... 8

Controlling the Display Format .............................................. 8

Operating Modes................................................................ 9

RPN Mode.......................................................................... 9

Algebraic Mode ................................................................ 12

Memory and Variables....................................................... 14

Built-in Functions ................................................................ 15

Physics Constants .............................................................. 18

Fractions .......................................................................... 20

Complex Numbers............................................................. 21

Vectors............................................................................. 23

Statistics ........................................................................... 24

Linear Regression............................................................... 26

Equations and HP Solve ..................................................... 28

Evaluating Expressions ....................................................... 29

Finding Roots of Equations.................................................. 31

Integrating Expressions....................................................... 32

Contents

Linear Solver ..................................................................... 34

Programming .................................................................... 37

RPN Programming Example ................................................ 38

ALG Programming Example ................................................ 40

Additional Resources.......................................................... 42

Warranty and Contact Information ...................................... 43

Replacing the Batteries ....................................................... 43

HP Limited Hardware Warranty and Customer Care .............. 43

Limited Hardware Warranty Period...................................... 44

General Terms................................................................... 44

Exclusions......................................................................... 45

Customer Care .................................................................. 45

Product Regulatory & Environment Information....................... 51

Getting Started 1

1GettingStarted

Welcome to your HP 35s Scientific Calculator

This guide is a supplement to the HP 35s Scientific Calculator

User’s Guide, and it is intended to provide the user with basic

operational information about the calculator. For more detailed

information about the many capabilities of the HP 35s Scientific

Calculator outlined in this guide, refer to the complete user’s

guide on the enclosed CD.

Manual Conventions

In this guide, images of the keys are used along with the

descriptions of the tasks to clarify the steps of operations. Many

of these operations involve the use of the yellow and blue shift

keys, zand {respectively. When a task requires the use of

a shift key, the shift key is not pressed and held while pressing

other keys, like the shift key on a computer. To complete an

operation, press and release the desired shift key and then

press other keys as required, unless directed otherwise.

Keys describing complex tasks are displayed in the order in

which they are to be pressed to complete operations. Pictures of

the calculator display appear in various places throughout the

guide to clarify intermediate steps during entry.

2 Getting Started

Turning the Calculator On and Off

To turn the calculator on, press and release the key. “ON” is

printed on the bottom of the key in blue.

To turn the calculator off, press z. Since the calculator has

Continuous Memory, turning it off does not affect any informa-

tion you've stored.

To conserve energy, the calculator turns itself off after 10 min-

utes of inactivity. If you see the low–power indicator (¤)in the

display, replace the batteries with two new CR2032 (or equiva-

lent) batteries as soon as possible. See appendix A of the HP

35s Scientific Calculator User’s Guide for instructions.

Adjusting Display Contrast

The display contrast depends on lighting, viewing angle, and

the contrast setting. To increase or decrease the contrast setting,

press and hold the Åkey while at the same time pressing Ùor

Ãrepeatedly. Each press of these keys very slightly adjusts the

contrast, darker or lighter, respectively.

Getting Started 3

Keyboard

Features of the Keyboard Shifted Keys

Figure 1 Calculator Keyboard

•Cursorkeyshaveonly

a yellow shift function.

• Most keys have three

functions: one printed

in white, a yellow-

shifted-function printed

above the key, and a

blue-shifted function

printed on the angled

face of the key (See

Figure 2).

• Pressing the shift keys

activates the

corresponding shift

key symbol, ßor à,

at the top left of the

display.

•Thesymboldisplay

remains on until

another key is

pressed. Press the shift

key again to cancel a

shift key.

4 Getting Started

Alpha Keys

Keys with a pink letter displayed on the bottom right corner are

alpha keys, used commonly to enter variables or program

labels. When you are prompted for a letter entry, the A..Z sym-

bol appears in the display, and the alpha keys are active. Press-

ing a letter key turns alpha mode off.

Cursor Keys

Each of the four cursor direction keys is marked with an arrow.

In this text, the cursor keys appear as Õ, Ö, ×and Ø.

Backspacing and Clearing

Table 1 explains how the backspace and clear operations

work.

Figure 2 Key Diagram

Left-shifted

function

Right-shifted

function

Letter for

alphabetic

key

Getting Started 5

Undo key

The operation of the Undo key depends on the calculator con-

text, but it serves mainly to recover from the deletion of an entry,

rather than to undo any arbitrary operation. Press z:

immediately after using aor to recover:

• an entry you deleted, as a digit in an expression.

• an equation deleted while in equation mode.

• a program line deleted while in program mode.

Table 1 Backspace and Clear Operations

Key Description

aBackspace and Clear. If an expression is in the

process of being entered, pressing aerases the

character to the left of the entry cursor ( _ ).

Otherwise, with a completed expression or the result

of a calculation in line 2, ~replaces that result with

a zero. ~also clears error messages and exits

menus.

Clear or Cancel. This key (also the ON key) clears the

displayed number to zero or cancels the current

context (menu, message, prompt, or Equation– or

Program–entry).

{b Clear. The Clear menu has options for clearing the

number in the X-register, all direct variables, all

memory, etc.

6 Getting Started

Undo also recovers the values of a register, or registers, just

cleared using the CLEAR menu, if the undo operation immedi-

ately follows the cleared operation.

Using Menus

Sixteen of the keys are menu keys, keys which permit access to

more functions. These functions are displayed in Table 2.

Table 2 Menu Functions

Menu Name Menu Description

L.R. ¹% Linear regression and estimation.

¹(Arithmetic mean of statistical x– and

y–values; weighted mean of statistical x–values.

s,σº+Sample and population standard deviation.

CONST ¹Ü Menu of 41 physics constants.

SUMS º.Statistical data summations.

BASE º¶Base conversions (Base 2, 8, 10 and 16).

INTG ¹gSign value, integer division, remainder,

greatest integer, fractional part, integer part.

LOGIC ¹>Logical operators for base-n numbers.

FLAGS ¹·Functions to set, clear, and test flags.

x?y¹¬ Comparison tests of the X–and

Y–registers.

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