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DEF

FN

DEL

DIM

DRAW

END

EXP

FLASH

FOR

...

NEXT

FRE

GET

SUMMARY

OF

BASIC COMMANDS

Allows

you

to

define

and

name

a

function.

Removes

program

lines

.

This

gives

the

values

for

the

subscripts

of

arrays,

and

allocates

enough

storage

to

accomodate

them

.

To

draw

pre-defined

geometric

shapes.

Finishes

program

execution

and

returns

you

to

command

level.

To

calculate

the

value

of

"e"

-

the

base

of

natural

logarithms

-

raised

to

a

specified

power.

To

cause

all

computer

messages

to

alternate

between

character

and

background

colour.

Loops

around

a

group

of

instructions

a

specified

number

of

times.

Reports

on

the

number

of

bytes

in

memory

that

are

not

being

used

by

BASIC.

Reads

a

character

from

·

the

keyboard

without

echoing

it

on

the

screen.

No

carriage

return

is

necessary.

GOSUB

... RETURN

To

direct

the

program

flow

into,

and

return

from,

a

subroutine.

A-33

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