Craig 4505 User Manual

WARANTV

Craig

Corporation

warrantstothe

pur-

chaser

of

this

new

Craig

Calculator

that

if

the

machineorany

part

thereofinthe

judgmentofCraig is

proventobe

defec-

tive in material

or

workmanship

within

one year

from

dateoforiginal purchase

such defects

willberepairedorreplaced

(at the

company's

option)

freeofcharge

for

partsand labor.

This

warranty

does

not

apply,to

any
productwhich has been damaged, 'by
accident

or

which

has been misu,sed,

altered,

or

repairedbyanyone

other

than Craig.
This

warrantyisin

lieuo(all

other

warranties expressedorimpl

ied; incllJd-

ing any

implied

warranty

of

.m~rchanta

bility,

andnopersonisauthorized,

to

assume

for

Craig

any

otherIiq

bility

iiJ

connection

with

the

saleofthis'prod'utt'.

To

obtain

repairs,

the

Calculator should

be

delivered, prepaid,toCraig Corpora-

tionateither

address

shown

below.'

In-warranty

units

willbereturned

post-

age

prepaid.

Craig

Corporation

921W.Artesia

Blvd.

Compton,

Calif.

90220

Craig

Corporation
50-52 Joseph Street
Moonachie,

N.J.07074

- Keep

Your

Sales

Slip

-

INTROOUCTION

Your

Crai~

4505

Electronic

Calculator repre-

sents

a significant engineering

achievement

resulting in full-size capability in a

compact
package. Major advances in miniaturized com­puter

circuits using single-chip

LSI

(Large

Scale

Integration) have provided a rugged

and

reliable

unit,

and

the

self-contained replaceable

batter-

ies

permit

convenient

use

without

need

for

AC

power.Anoptional

adapterisavailable

for

AC

operation.

This

adapter

will also charge nickel-

cadmium

batteries

which

can

be used in

place

of

regular flashlight batteries.

The

Craig

4505

will

perform

the

usual

addition

subtraction,

multiplication,

and

division

func~

tions

including chainormixed

calculations

with

automatic

constant

capability

for

repea~

add

and

subtract

as welt as

multiply

and

divide.

A separate accumulating

memory

greatly

increases

the

versatilityofthis

unit,

eliminating'

the

necessity for manual

notationofinter-

mediate

answersorpermitting

the

repeated
utilizationofa reference

number

during

an

extended

calculation.Anautomatic

decimal

function

facilitates

entryofdollar/cent

figures

without

useofthe

decimal

key,

and

direct

percentage

results maybeobtainedbyuse

of

the

special~key. Display indicators

denote

negative

result

(minus sign), overflow,

and

"memory-in-use,"

and

the

dOUble-acting clear

key allows

correctionofmistaken entries

with-

out

lossofprior

results.

It

is suggested

that

the

following

instructions

for

operation be read with

the

calculator

at

hand,

and

that

all calculation

examples

be

performedtoincrease

your

familiarity with

the

unit. A

short

outlineofoperating

procedures

is

also

printedonthe

backofthe

calculator

for

quick

reference.

PREPARATION FOR USE

Battery Power

Four

"AA"

penlite

batteries

are required.

Open

the

coverofthe

battery

compartmentonthe

bottomofthe

unit

and

insert

the

cellstomatch

the

polarityofthe+and

- signs indicated

inside

the

compartment.

(The

unit

will

not

operate

properly, and rechargeable cells

may

be

damaged, if

the

cells are incorrectly inserted.l

Replace

the

battery

compartment

cover. Slide

the

power

switchto"ON".

Standard

zinc-

carbon

cells will provideatleast 4

hours

operating time,

but

more

economical

battery

costs

will result

from

the

useofrechargeable

nickel-cadmium cells. Replace

or

recharge

the

batteries

when

all decimal

points

come

on

during

operation.

AC Power

The

calculator maybeoperated

from

any

120

voltAC50/50Hzoutlet

by using

the

Craig

9227

Adapter. Plug

the

adapter

into

a conven-

ient wall receptacle,

and

insert

the

small

connector

into

the

"DC

5V"

socketonthe

side

of

the

calculator.