Hewlett-Packard 21S User Manual

Stat/Math

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Owner’s

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HP-21S

Stat/Math

Calculator

Owner’s

Manual

HEWLETT

(bﬂ]

Edition3June Reorder

PACKARD

Number

1990

00021-90025

Notice

For

warranty

and

151.

This

manual

are

subjecttochange

no

warrantyofany

limited

particular or

for

incidentalorconsequential

furnishing,

herein.

o

Hewlett-Packard adaptation,ortranslationofthis written the

copyright

The

programs

are

reserved. without prohibited.

and

to,

the

purpose.

regulatory

and

any

implied

examples

kind

Hewlett-Packard

information

without

notice.

with

regardtothis

warrantiesofmerchantability

performance,oruseofthis

Co.

1989.

All

permissionofHewlett-Packard

laws.

that

Reproduction,

prior

written

control

your

adaptation,ortranslationofthose

permissionofHewlett-Packard

for

this

calculator,

contained

herein

are

Hewlett-Packard

manual,

Co.

shall

notbeliable

damagesinconnection

manualorthe

rights

reserved.

Reproduction,

manualisprohibited

Company,

calculator

are

exceptasallowed

copyrighted

see

provided

Company

including,

and

fitness

for

with

examples

without

and

Co.isalso

pages

“as

is”

and

makes

but

not

for

a

any

errors

the

contained

prior

under

all

rights

programs

148

Corvallis 1000 Corvallis,

Division

N.E.

Printing

Edition Edition Edition

1 2

3

Circle

OR

97330, U.S.A.

History

Blvd.

March July June

1989

1990

1989

Mfg. Mfg. Mfg.

No.

00021-90026

No.

00021-90042

No.

00021-90043

Welcome

Your

HP-21S engineering products offer service.

and

for50years.

expertisetosupport

to

reflects

the

manufacturing

Hewlett-Packard

Our

calculators

This pollutants variations

Both caseofuse.Weadded the

calculator.

Advanced

long CMOS

toberetained The

microprocessor

computations, Extensive

adverse and

data

are

madetoexcel

calculatorisdesignedtowithstand

(smog,

thatitmay

the

calculator

materials

keyboard

(low-power)

research

effectsofstatic

lossincalculators.

ozone),

life

indefinitely

using15digits

the

superior

its

that

use

HP-21S

quality

have

stands

(see

inside

Quality

andtobe

temperature

encounterineveryday

and

its

manual

many

and

permanent,

andapositive

electronics

and

has

been

has

createdadesign

electricity,apotential

have

examplestohighlight

feeltothe

andaliquid-crystal

the

batteriestolast

optimized

internally

and

attentiontodetail

distinguished

behind

back

easytouse.

the

extremes,

been

molded

for

that

this

cover)

drops,

and

work

life.

designed

key

lettering

keys.

fast

and

precise

has

minimized

causeofmalfunctions

in

Hewlett-Packard

calculator

and

worldwide

vibrations,

humidity

and

the

varied

display

a long

reliable

results.

tested

uses

provide

allow

time.

the

—we

for

of

a

data

Features

Probability

m

Normal

m

Student’stdistribution.

distribution

distribution.

mFdistribution.

m)?(Chi-square)

Six

built-in

m

Two

m

Linear m m

Binomial m

Time

One Factorial, Essential Polar Keystroke Large Ten

Accurate

Detachable

programs.

One

sample sample

regression

Chi-square

distribution.

valueofmoney.

and

two

variable

combinations,

scientific

/rectangular

programming,.

12-character

data

registers

math,

quick

statistics. test

statistics.

test.

functions.

conversions.

display.

and99program

12-digits

reference

functions

and

distribution.

test

statistics.

statistics

with

permutations.

lines.

witha1

0:499

guide.

inverses.

linear

regression.

exponent

range.

Hewlett-Packard 21S User Manual

Contents

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