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Personal

Computer

FX-795P

>

|

OWNER’S

MANUAL

MO1002574A

@

Printed

in

Japan

“

PERSONAL

COMPUTER

FX-/99P

OWNER’S

MANUAL

The

contents

of

this

manual

may

be

subject

to

change

without

notice.

Unlawful

copying

of

all

or

any

portion

of

this

manual

is

strictly

forbidden.

Please

be

aware

that

the

use

of

this

manual

for

other

than

personal

use

without

permission

from

CASIO

is

prohibited

under

the

copyrighting

law.

CASIO

Computer

Co.,

Ltd.

shall

not

be

held

responsible

for

any

damages

or

losses

resulting

from

the

use

of

this

manual.

CASIO.

Foreword

This:

manual

contains

easily

comprehensible

explanations

on

the

numerous

i

is

computer.

whe

feat

“eature

nf

this

equipment

is

the

fullness

of

its

scientific

functions

including

statistical

calculations.

Incorporating

many

numeric

functions

and

basic

statistics,

this

computer

will

enable

you

to

carry

out

troublesome

scientific

and

technological

calculations

as

well

as

statistical

calculations

by

simple

opera-

tion.

In

addition,

more

advanced

calculations

can

be

made

by.

using

a

BASIC

The

“cevond

feature

is

the

“FUNCTION

MEMOR

”

which

makes

possible

storage

of

numeric

expressions

to

enable

outputting

calculation

results

%

inputting

the

necessary

numeric

values.

By

using

this

function,

you

can

easily

make

numeric

calculations

without

any

special

BASIC

program.

The

third

feature

is

the

“DATA

BANK

function,”

which

permits

the

use

of

this

computer

as

an

“electronic

memo

pad.”

Unlike

a

paper

memo

pad

which

requires

laborious

efforts

later

to

put

the

individual

entries

in

order

or

retrieve

them,

this

computer

performs

such

work

quite

simply.

The

fourth

feature

is

its

“built-in

software

utilities”

consisting

of

five

types

of

mathematical

operation

programs.

With

the

use

of

this

function,

answers

can

be

easily

obtained

by

simply

entering

the

necessary

values

or

numeric

expressions.

As

shown

above,

this

computer

can

be

used

by

a

wide

variety

of

people

—

persons

who

want

to

learn

BASIC

for

the

first

time,

those

who

already

know

BASIC

and

want

to

make

full

use

of

this

computer.

We

hope

that

this

manual

will

enable

you

to

make

effective

use

of

this

computer

for

many

years

to

come.

Prior

to

Operation

This

computer

was

delivered

to

you

through

CASIO’s

strict

testing

process,

high

level

electronics

technology,

and

strict

quality

control.

To

ensure

a

long

life

for

your

computer,

please

observe

the

following

precau-

tions.

=

Utilization

Precautions

©

Since

this

computer

consists

of

precision

electronic

parts,

do

not

disassemble

it.

Also

do

not

apply

an

impact

to

it

by

throwing

or

dropping

it,

or

do-not

expose

it

to

rapid

temperature

changes.

In

addition,

do

not

store

it

in

a

place

with

high

temperatures

or

high

humidity,

or

in

a

dusty

place.

When

the

com-

puter

is

utilized

in

low

temperatures,

sometimes

the

display

response

is

slow

or

does

not

operate.

When

normal

temperature

conditions

are

restored,

how-

ever,

the

computer

operation

will

become

normal.

Special

care

should

be

taken

not

to

damage

the

computer

by

bending.

For

example,

do

not

carry

it

in

your

hip

pocket.

@

Devices

that

can

be

plugged

into

the

option

jack

are

the

Model

FA-5,

FP-12S,

FP-40

or

our

specified

devices.

Do

not

connect

any

other

devices.

*

Use

Printer

Cable

SB-2

when

connecting

FP-12S,

and

Interface

Pack

SB-42

when

connecting

FP-40.

@

Although

the

display

sometimes

becomes

faint

while

the

buzzer

is

sounding,

it

is

not

a

malfunction.

However,

if

the

display

becomes

very

faint,

replace

the

batteries

with

new

ones

as

soon

as

possible.

e

Every

two

years,

replace

the

batteries

with

new

ones even

if

the

computer

is

not

used.

Do

not

leave

exhausted

batteries

inside

it

because

trouble

may

occur

due

to

battery

leakage.

Always

keep

the

cap

for

the

connector

portion

in

place.

Remove

it

only

when

peripherals

are

to

be

connected

to

the

computer.

If

strong

static

electricity

is

applied

to

the

computer,

sometimes

the

memory

content

is

changed,

or

key

operation

cannot

be

performed.

To

discharge

static

electricity

accumulated

in

your

body,

touch

a

metallic

substance

like

a

door

knob.

If

this

occurs,

remove

the

batteries,

then

replace

them

again.

Always

turn

computer

power

off

before

connecting

peripherals.

To

clean

the

computer,

do

not

use

volatile

liquids

such

as

benzine

or

thinner.

Wipe

it

with

a

soft

dry

cloth,

or

a

cloth

dampened

with

a

neutral

detergent

solution.

Prior

to

Operation

Contents

a

—

aa

@

Do

not

turn

the

power

off

during

program

execution

or

operation.

CHAPTER

1

General

Guide

@

Since

the

computer

is

made

up

of

precision

electronic

parts,

avoid

dropping

it

,

while

a

program

is

being

executed;

otherwise

the

program

execution

may

be

1-1

Names

of

Components

.........

000.4

e

eens

stopped

or

the

memory

contents

may

be

changed.

1-2

Functions

of

Components

.......0....

0.0000

e

eee

©

When

a

malfunction

occurs,

contact

the

store-

where

the

computer

was

1-3

Power

Supply...

..

ec cc

ccccccccceecccceceuesues

purchased

or

a

nearby

dealer.

©

Before

seeking

service,

please

read

this

manual

again,

check

the

power

supply,

check

the

program

for

logic

errors,

etc.

CHAPTER

2

Manual

Operations

2-1

Let’s

Operate

the

Computer

..............0.

0.000.

2-2.

Begin

with

the

Four

Arithmetic

Operations

..........

2-3.

Calculation

Notes

..........

0.0...

e

eee

eee

2-4

Function

Calculations

2-5

Statistical

Calculations

CHAPTER

3

Using

the

“Function

Memory”

i

3-1

Calculations

with

the

Same

Formula

3-2

Utilization

for

Preparing

Tables

CHAPTER

4

Built-in

Software

Utilities

4-1

Software

Menu

.............

0c

ccc

eee

cece

eee

42

Matrix

Operations

........

0.0.0

cece

eee

eee

4-3

Complex

Number

Calculations

44

Numeric

Solution

of

Equations

4-5

Numeric

Integrations

.....0..0.

0.0.00

ccc

vee

eee

46

Binary,

Decimal

and

Hexadecimal

Operations

Contents

CHAPTER

5

Programming

with

BASIC

Language

5-1

Writing

Programs

.......

0.0.06.

0

cee

eee

eee

~+--

88

5-2.

Executinga

Program

........

2.

e

eee

ee

ee

ee

eee

91

5-3.

Variables

0.0...

ee

eee

ee te

ene

93

5-4

Method

of

Calculating

the

Program

Length

..........

100

5-5

Convenient

Techniques

cect

eee

ence

eee

101

5-6

Error

Messages

and

Debugging

............-.--2005

103

5-7

Convenient

Peripherals

...........

0.00.0

e

eee

eens

105

5-8

Usinga

PB-100

Program

..........

00.0.0

0

cece

eee

115

CHAPTER

6

Program

Library

6-1

Rearrangement

of

Data

(Sorting)

................-%

122

6-2

Horse

Race

Game

........

eee

ee

ce

eee

125

CHAPTER

7

Command

Reference

7-1

Manual

Commands

.......

0...

e

eee

ete

cree

ee

enee

133

NEW

[ALL]

........

000

eee

ce

cee

eens

133

RUN

ooo

ee

ee

eens

134

LIST

oo

ee

ee

te

eens

135

PASS

2.0.0...

0c

eee

eee

tt

eee

e

eg

e

eee

137

SAVETALL]

......

0.00.2

e

ees

dees

e

renee

139

LOAD

[ALL]

.......-

2...

eee

ee

ee

140

VERIFY

2.0...

eee

tet

e

ene

14]

CLEAR

..........

been

eee

een

e

eter

tenes

141

7-2

Program

Commands

.........-

20.00

eee

e

ee

een

eee

142

END

1...

cece

ee

tee

tne

teens

142

STOP

0...

cc

eee

ete

ent

teen

eens

142

[LET]

2...

ccc

ccc

cc

eee

ete

etnies

143

REM...

tee

teen

n

ene

144

7-3

7-4

Contents

INPUT

2.0.0.0...

ee

cee

eee

145

KEY$

2...

ee

ee

eee

enna

147

PRINT

2.0.0...

cee

eee

nee

148

CSR

Loe

ee

eee

eee

149

GOTO

oo.

eee

ene

150

ON~

GOTO

....

0...

eee

151

IF

~

THEN

2.0...

ee

eee

ee

152

FOR

~

TO

~

[STEP]

NEXT

..............-.005-

153

GOSUB

2.0.

ee

eee

eee

155

RETURN

.....

0.0.00

eens

156

ON

~

GOSUB

....

0.0...

eee

eee

eee

156

DATA

2...

cee

tenn

e

ne

ees

157

READ

2.0...

eee

eee

158

RESTORE

.......

0...

cece

eee

tenes

159

PUT

2.

cee

eee

eee

160

GET

20.

tenes

162

BEEP

......

0.00.00

c

eect

ee

164

DEFM

...

0.0...

ee

cece

eee

eee

165

DIM

20.

ee

ents

167

ERASE

2...

eee

ete

teens

169

MODE

.....

0.0...

eee

eens

170

STAT

CLEAR

2.0.0.0...

0.0.

ce

eee

eee

171

STAT

2.0...

ce

cee

teens

171

STAT

LIST

2.00.0...

0.0.0

c

cc

eee

ee

172

SET

o

00

e

e

eee

e

ee

173

Character

Functions

.

0.0...

ccc

c

ccc

ee ee

eee

174

LEN

2...

le

be

ete

eens

174

MIDS

..

0.

ce

ee

tne

175

VAL

Lo

cece

ee

tne

ee

176

STRS$

2...

cece

een

teens

177

Numeric

Functions

.........0..

0020:

cece

eee

eee

178

SIN,

COS,

TAN

2.0...

c

cece

cece

eee

178

CHAPTER

8

Convenient

DATA BANK

Function

8-1

8-2

8-3

8-4

8-5

8-6

8-7

8-8

8-9

Appendix

Character

Code

Table

Numeric

Functions

Error

Messages

Specifications

Index

Specifying

the

MEMO

IN

Mode

Inputting

Data

Displaying

the

Data

Contents

Correcting

Data

Retrieving

(Searching)

Data

Adding

and

Inserting

Data

Searching

Using

a

Program

Application

to

Tabular

Calculations

8-10

Combining

with

the

Function

Memory

Contents

General

Guide

To

those

who

have

never

touched

a

computer

or

are

already

familiar

with

computers,

it is

recommended

that

you

first

read

this

chapter

carefully,

The

quicker

you

become

familiar

with

the

configuration

of

the

computer

the

quicker

you

will

be

able

to

use

it

properly.

1-2

Functions

of

Componenis

|

|

1-1

Names

of

Components

@

Power

Switch

@

:

Slide

up

to

switch

on

power

and

slide

down

to

switch

off

power.

|

©

Shift

Key

(Red

key)

Press

this

for

a

one-key

command

(for

inputting

plural

characters

by

pressing

a

ane

single

key)

shown

in

red

on

the

panel,

for

symbol

display,

or

for

input

of

a

func-

et

GOTO

CASIO

FR-POSE

ae

tion.

Press

it

once,

and

the

SHIFT-IN

mode

will

be

selected

and

the

“

(S)”

sym-

woven

eT

ea

Pes

at

cleo

heeol

bol

will

light

up

on

the

display.

When

it

is

pressed

again

or

when

another

key

is

SS

:

=

pressed,

the

SHIFT-IN

mode

will

be

canceled

and

the

“(5)”

symbol

will

go

off.

eal”

LE»

(In

this

manual

the

symbol

@9

will

be

used

to

distinguish

the

key

from

the

:

®

elon

dE

:

alphabet

key

©)

.)

i

|

©

Numeral

Keys

(4)

®

Decimal

Point

key

Aegon

@®

a

|

-

ox

coy

Calculation

Command

Keys

7

2

;

ji

®

=

(2s)

{i

(t)

Execution

Key

Aaah

:

I

So

dee

Exponent

Key

—

@

=e

Parenthesis

Keys

GBBeH0

Power

key

C2)

cd

['

The

ten

keys

@)~{S)

are

used

for

number

input.

The

G]

key

is

for

decimal

m

point

input.

The

calculation

command

keys

(+),

©),

&K)

and

/

need

attention.

‘

These

keys

are

for

the

four

arithmetic

operations

(addition,

subtraction,

multi-

plication

and

division),

but

the

x

and

+

keys

of

ordinary

electronic

calculators

are

replaced

by

*

and

/

respectively.

This

is

because

of

the

need

for

common

Exponent

key

use

with

BASIC

language.

With

ordinary

electronic

calcula

ors,

the&)

key

is

Execution

key

used

to

get

an

answer.

In

the

case

of

this

computer

the

&)

key

is

used

for

that

©

®

®@®@w

oO

@

Display

window

@

Alphabet

keys

@®

Shift

key

@)

Display

contrast

@®

Function

memory

keys

®

Function

keys

@

Statistical

data

input

key

Numeral

keys

@®

Decimal

point

key

@SSS

O68

Calculation

command

keys

Connector

for

peripherals

Power

switch

Mode

key

FX

key

Memo

key

RESET

button

purpose.

For

example,

in

a

case

where

(20)

4

©)

3

@®)7

©)

5

B

are

pressed

in

the

case

of

ordinary

electronic

calculators,

this

computer

requires

that

120K)

4

213417

G5

&

be

pressed.

When

pressed

directly,

the

(€)

key

serves

as

the

exponent

key.

Press

it

before

inputting

the

exponent

(a

certain

power

of

10).

In

the

case

of

1.23

x

10*

for

example,

press

(C@)@H\EA

.

When

the

exponent

is

negative,

press

the

|)

key

after

the

(E)

key.

CHAPTER

1

General

Guide

aS

nen

For

example,

in

the

case

of

7.41

x

10°,

prs

OEMS.

When

this

key

is

pressed

after

the

@

key

(fJ5),

7

(the

ratio

of

the

circum-

ference

of

a

circle

to

its

diameter)

will

be

displayed.

.

The

(and

G)keys

are

for

inputting

parentheses

and

the(#)

key

for

power

calculations

(for

x”,

press

x

(4)

y).

@

Alphabet

Keys

and

Space

Key

-

DwWHROMUWoF

ANOHOHWH

HE)

Moo

oe

W

mM

GCI

CG)

td

These

keys

are

not

found

on

ordinary

electronic

calculators.

The

26

letters

of

the

alphabet,

the

symbol

keys

(&),G),G),

@)

and

the

space

key

(

fg)

are

arranged

as

on

a

typewriter.

They

are

used

to

give

commands

or

write

programs.

In

addition,

the

26-letter

keys,

A

to

Z,

serve

as

“variable

memory”

(where

numeric

values,

etc.

are

stored)

individually.

©

Equal

Key

())

This

key

is

not

intended

to

obtain

answers

from

calculations,

but

is

used

for

conditional

judgement

in

assignment

statements

(see

page

143)

or

IF

statements

(see

page

152).

When

it

is

pressed

after

the

4

key,

the

+

(not

equal)

symbol

will

be

displayed.

¢@

Function

Keys

One

of

the

features

of

this

computer

permits

one-key

input

of

functions

as

in

scientific

ca

ABS

INT

FRAG

=

culators.

This

is

very

convenient

for

function

{log}

Lin}

(exe)

eng

SET

ASN

ACS ATN

{hve}

(sin}

(cos)

[tan]

SGN

VAL(

DMSS(

Fal)

calculations.

(<3

and

2

are

“‘square”

and

“cube”

q

keys,

respectively.

(e]

is

a

key

for

calculation

of

LENE

minst

sTAst

(x?)

(<3)

(04)

an

exponential

function

(10*)

based

on.

10.

When

these

keys

are

pressed

after

the

=

key,

each

performs

the

function

shown

above

it.

1-2

Functions

of

Components

©

Hexadecimal

Key

(

'‘&§)

Press

(#4)

hexadecimal

number

&,

and

a

hexadecimal

number

will

be

converted

into

a

decimal

number.

Press

@4'@4

decimal

number

OG)

&4,

and

a

decimal

number

will

be

converted

into

a

4-digit

hexadecimal

number.

©

Engineering

Key

(

Ge

)

When

this

key

is

pressed,

a

calculation

result

or

a

numeric

value

displayed

by

a

PRINT

statement

is

converted

into

an

exponent

display.

When

this

key

is

pressed

repeatedly,

the

displayed

exponent

will

decrease

by

3

each

time.

The

Al

=

eS.

exponent

can

be

increased

by

3

each

time

by

pressing

&

(Multiple

of

3:

10°

=

K

(kilo),

10°

=

M

(mega),

10°

=

G

(giga),

10°°

=m

(milli),

10°°

=

#

(micro),

10

=

n

(nano),

10°!?

=

P

(pico)

@

Replay/Answer

key

(

(ae)

)

Press

this

key

to

recall

the

last

input

contents

calculated

using

&§.

When

this

key

is

pressed

after

pressing

the

FJ

key,

the

last

calculated

result

can

be

recalled.

©

Statistical

Data

Input

Key

(

@5

)

Press

this

key

after

statistical

data,

and

the

data

will

be

input

to

an

exclusive

memory

area.

When

pressed

following

the

J

key,

an

SDEL

function

is

per-

formed

to

delete

the

input

statistical

data

from

the

memory

area.

(For

details,

see

page

33.)

‘

@

Function

Memory

Keys

(

[)(ou}taiq)

These

keys

are

for

the

Function

Memory.

They

will

be

described

in

detail

in

Chapter

3.

©

Cursor

Movement

Keys

(

23285

)

These

keys

are

used

when

correcting

displayed

characters.

The

cursor

(““_”

blink-

ing

in

the

display

window)

is

moved

right

and

left

by

these

keys.

Each

time

this

key

is

pressed,

the

cursor

moves

by.

one

character.

When

the

key

is

held

down,

the

cursor

moves

continuously

through

all

of

the

characters

present.

When

US

is

pressed,

the

cursor

moves

to

the

left

edge

of

the

display

(the

beginning

of

the

line)

—

LINE

TOP

function.

When

@jH#

is

pressed,

the

cursor

moves

to

the

right

of

the

last

input

character

(the

end

of

the

line)

-

LINE

END

function.

5

\

|

|

CHAPTER

1

General

Guide

eL

©

Insert/Delete

Key

(

cn

This

is

another

convenient

key

for

correcting

displayed

characters.

When

it

is

pressed

directly,

the

characters

following

the

one

under

which

the

cursor

is

blinking

are

moved

to

the

right

so

that

a

space

can

be

created

for

character

insertion.

The

cursor

itself

does

not

move.

When

GG

are

pressed,

the

character

under

which

the

cursor

is

blinking

is

deleted

and

the

characters

on

its

right

are

moved

to

the

left.

The

position

of

the

cursor

remains

unchanged.

Continuous

insertion

and

deletions

are

possible

by

keeping

(#5

and

125

pressed

respectively.

@

Break

Key

(

bX)

)

This

is

a

powerful

key

capable

of

suspending

various

operations

(manual

opera-

tion,

program

execution,

input/output

with

a

cassette

tape,

output

to

the

printer,

program

list

output)

and

canceling

errors.

When

it

is

pressed

while

dis-

play

is

out

owing

to

AUTO

POWER

OFF

(see

page

12),

power

is

turned

on

again.

©

Clear

Screen

Key

(

(15)

)

This

clears

the

display

and

moves

the

cursor

to

the

left

edge

of

the

display

window.

@

Back

Space

Key

(

[8s]

)

When

this

key

is

pressed,

the

character

immediately

to

the

left

of

the

cursor

is

deleted

while

the

characters

immediately

to

the

right

of

that

character

are

moved

to

the

left.

Unlike

the

&5

key,

the

cursor

moves

to

the

left.

The

characters

to

the

left

of

the

cursor

can

be

deleted

continuously

by

keeping

this

button

pressed.

©

Stop

Key

¢

(09

}

When

pressed

during

program

execution,

this

temporarily

suspends

program

execution.

When

it

is

pressed

while

characters

are

being

scrolled,

the

display

is

temporarily

suspended.

Execution

is

resumed

when

the

&4)

key

is

pressed.

1-2

Functions

of

Components

eee

@

Memo

Key

{

{remo}

)

Press

this

key

to

use

the

DATA BANK

function.

For

detail,

see

Chapter

8.

©

FX

Key

(

(Fx)

Press

this

key

to

use

the

built-in

software

utilities,

For

details,

see

Chapter

4.

©

Mode

Key

(

[iow

)

When

specifying

a

computer

mode

or

an

angle

unit,

use

this

key

in

combination

wih,

@~@.

fece](=)+

+++

++

This

turns

the

key

input

buzzer

sound

on

and

off.

When

the

buzzer

is

on,

the

“BUZZER”

symbol

lights

up

on

the

display.

fend

(BJ

+--+

The

“RUN”

symbol

is

displayed

for

manual

and

program

calcula-

ions.

(RUN

mode)

fas

The

“WRT”

symbol

is

displayed

for

program

writing,

checking

and

editing.

(WRT

mode)

foot)

[)-

+++

The

“TRACE

ON”

symbol

is

displayed

for

execution

of

tracing.

(For

details,

see

page

104.)

foo

(B)--

+++

When

the

“TRACE

ON”

symbol

is

displayed,

the

execution

trace

mode

is

canceled

and

“TRACE

ON”

disappears.

(aon

(]--

+++

The

“DEG”

symbol

is

displayed

specifying

“degrees”

as

the

angle

unit.

(woo)

[S)--+-+-

The

“RAD”

symbol

is

displayed

specifying

“radians”

as

the

angle

unit.

(oo

(S)----

The

“GRA”

symbol

is

displayed

specifying

“grads”

as

the

angle

unit.

foo

ZZ)

+++

+

The

“PRT

ON”

symbol

is

displayed

and

printer

output

is

possible

when

a

printer

is

connected

to

the

computer.

(ox)

+--+

When

“PRT

ON”

is

displayed,

the

printer

output

mode

is

can-

celed

and

“PRT

ON”

disappears.

(oot

(Ea)

«= +=

++

The

“

@9[n)”

symbols

light

up

to

indicate

that

the

MEMO

IN

mode

is

specified.

This

mode

permits

memo

data

input

to

the

DATA

BANK.

(For

details,

see

Chapter

8.)

To

cancel

this

mode,

press

(x)

.