HP HP-20S Manual de usuario

Scientific

Calculator

Owner’s

Manual

HP-205

cacianc

()

parstrad

SCIENTIFIC

L™

10*

X,y

LOG

Sx,Sy

%CHG

Z—

oen

+P +R

HYP

a@@

SWAP

CLPRGM

GTO

LBL

x<y?

HEX

OCT

+kg

»lb

Separates

two

numbers.

Executes

program.

Activates

blue-labeled

keys.

Activates

yellow-labeled

keys.

On;

clears

display,

cancels

operation.

through

Zxy

are

statistical

sum-

mation

memory

aids.

x=0?

£x?

DEC

BIN

oale

FIX

SCI

ENG

ALL

ABS

RND

Ixy

+HR

+HMS

+DEG»RAD

+Ccm

»in

LAST

CLRG

CLZ

B3]

Backspace.

Loads

built-in

programs.

Enters

Program

mode.

10.

Accumulates

statistical

data.

11.

through

keys

for

labels,

built-

programs,

hexadecimal

digits.

12.

Annunciator

Line.

HP-20S

Scientific

Calculator

Owner’s

Manual

ﬁ

HEWLETT

PACKARD

Edition

August

1992

Part

Number

00020-90001

The

contents

this

manual

are

printed

recycled

paper.

Notice

For

warranty

and

regulatory

information

for

this

calculator,

see

pages

117

and

120.

This

manual

and

any

examples

contained

herein

are

provided

“as

is”

and

are

subject

change

without

notice.

Hewlett-Packard

Company

makes

warranty

any

kind

with

regard

this

manual,

including,

but

not

limited

to,

the

implied

warranties

merchantability

and

fitness

for

particular

purpose.

Hewlett-Packard

Co.

shall

not

liable

for

any

errors

for

incidental

consequential

damages

connection

with

the

furnishing,

performance,

use

this

manual

the

keystroke

programs

contained

herein.

Hewlett-Packard

Co.

1988.

All

rights

reserved.

Reproduction,

adaptation,

translation

this

manual

prohibited

without

prior

written

permission

Hewlett-Packard

Company,

except

allowed

under

the

laws.

The

programs

that

control

your

calculator

are

copyrighted

and

all

rights

are

reserved.

Reproduction,

adaptation,

translation

those

programs

without

prior

written

permission

Hewlett-Packard

Co.

also

prohibited.

Corvallis

Division

1000

N.E.

Circle

Blvd.

Corvallis,

97330,

U.S.A.

Printing

History

Edition

April

1988

Edition

September

1988

Edition

June

1989

Edition

August

1991

Edition

5§

August

1992

Welcome

the

HP-20S

Your

HP-20S

another

example

the

superior

quality

and

attention

detail

engineering

and

manufacturing

that

have

marked

Hewlett-Packard

products

for

than

years.

Hewlett-Packard

stands

behind

this

calculator.

offer

worldwide

service

and

exper-

tise

support

its

use.

Hewlett-Packard

Quality

Our

calculators

are

made

excel,

last,

and

easy

use.

This

calculator

designed

withstand

the

drops,

vibrations,

pol-

lutants

(smog,

ozone),

temperature

extremes,

and

humidity

variations

that

can

exposed

everyday

worklife.

The

calculator

and

its

manual

have been

designed

and

tested

for

ease

use.

added

examples

the

manual

highlight

the

var-

ied

uses

this

calculator.

Advanced

materials

and

permanent,

molded-in key

lettering

pro-

vide

long

keyboard

life

and

positive

feel

the

keyboard.

CMOS

(low-power)

electronics

and

the

liquid-crystal

display

allow

data

retained

even

when

the

calculator

off

and

let

the

bat-

teries

last

long

time.

The

microprocessor

has

been

optimized

for

fast

and

reliable

com-

putations

using

digits

internally

for

precise

results.

Extensive

research

has

created

design

that

has

minimized

the

ad-

verse

effects

static

electricity

potential

cause

malfunctions

and

data

loss

calculators).

Welcome

the

HP-20S

Features

Large

12-character

display.

Ten

data

registers

and

program

lines.

One-

and

two-variable

statistics

with

linear

regression.

Probability

functions.

Unit

and

base

conversions.

Polar

/rectangular

conversions.

Hyperbolic

functions.

Accurate

math,

12-digits

with

10%%%

exponent

range.

Keystroke

programming.

Six

built-in

programs:

Root

finder.

Numerical

integration.

Complex

number

operations.

matrix

solutions.

Quadratic

equation.

Curve

fitting.

Welcome

the

HP-20S

Contents

Getting

Started

9 Power

and

Off

Adjusting

the

Display

Contrast

Simple

Arithmetic

Calculations

Understanding

the

Display

and

Keyboard

The

Cursor

Clearing

the

Calculator

Clearing

Memory

Annunciators

The

Shift

Keys

The

INPUT

Key

The

SWAP

Key

The

Alpha

Keys

Introducing

the

Math

Functions

Display

Format

Numbers

Specifying

the

Number

Displayed

Decimal

Places

(FIX)

Displaying

the

Full

Precision

Numbers

(ALL)

Scientific

and

Engineering

Notation

Interchanging

the

Period

and

Comma

Full

Precision

of a

Number

(SHOW)

Range

Numbers

Messages

Arithmetic

and

Storage

Registers

Chain

Calculations

Operator

Priority

and

Pending

Operations

Using

Parentheses

Reusing

the

Result

(LAST)

Exchanging

Two

Numbers

(SWAP)

Using

Storage

Registers

Contents

Numeric

Functions

General

and

Logarithmic

Functions

Reciprocal

Percent

Functions

Percent

Change

()

Trigonometric

Modes

and

Functions

Changing

the

Trigonometric

Mode

Trigonometric

Functions

Angle

and

Hour

Conversions

Coordinate

Conversions

Probability

Functions

Hyperbolic

Functions

Parts

Numbers

Unit

Conversions

Base

Conversions

and

Base

Arithmetic

Switching

Bases

Representation

Numbers

Range

Hexadecimal,

Octal,

and

Binary

Numbers

Arithmetic

Operations

Statistical

Calculations

Entering

Statistical

Data

Clearing

Statistical

Data

Summary

Statistical

Calculations

Mean,

Standard

Deviation,

and

Summation

Statistics

Calculating

the

Population

Standard

Deviation

Linear

Regression

and

Estimation

Weighted

Mean

Statistical

Formulas

Contents

Programming

Creating

Programs

Program

Boundaries

(LBL

and

RTN)

Entering

Programs

Positioning

the

Program

Pointer

Running

Programs

Starting

Programs

With

XEQ

Starting

Programs

With

GTO

and

R/S

Stopping

Programs

Clearing

Programs

Editing

Programs

Stepping

Through

Programs

Sample

Program:

Pythagorean

Theorem

Sample

Program:

Random

Number

Generator

Subroutines

Branching

and

Conditionals

Branching

(GTO)

Conditional

Instructions—Decisions

and

Control

Keystrokes

for

Other

Conditionals

Available

Program

Memory

Nonprogrammable

Functions

Built-in

Program

Library

Root

Finder

(root)

Numerical

Integration

(int)

Complex

Operations

(CPL)

Matrix

Operations

102

Quadratic

Equation

(qQUAd)

105

Curve

Fitting

(Fit)

Contents

Appendix

109

Assistance,

Batteries,

Memory,

and

Service

109

Obtaining

Help

Operating

the

Calculator

109

Answers

Common

Questions

111

Power

and

Batteries

111

Low

Power

Annunciator

]

111

Installing

Batteries

113

Resetting

the

Calculator

114

Erasing

Continuous

Memory

114

Environmental

Limits

114

Determining

the

Calculator

Requires

Service

116

Confirming

Calculator

Operation—the

Self-Test

117

Limited

One-Year

Warranty

117

What

Covered

117

What

Not

Covered

118

Consumer

Transactions

the

United

Kingdom

118

the

Calculator

Requires

Service

118

Obtaining

Service

119

Service

Charge

119

Shipping

Instructions

120

Warranty

Service

120

Service

Agreements

120

Regulatory

Information

122

Messages

124

Index

Contents

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