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Sharp PC-1403 - Page 102

Sharp PC-1403
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96
T
he
v
al
ue
ass
ig
n
e
d
t
o a
variabl
e
ca
n
c
h
an
ge
d
uri
ng
the
exec
u
t
i
o
n
of a
progra
m
,
tak
i
ng
o
n the value
t
yped
i
n o
r
compu
t
ed
duri
ng
t
h
e
p
r
ogra
m
.
On
e
wa
y
t
o
ass
i
gn a
var
ia
ble is
t
o
u
se the INPUT
v
e
r
b
.
I
n
the
fo
llowi
ng
pr
ogram
,
the
v
a
l
u
e
o
f
A
$ will
c
h
a
n
ge in
re
s
po
n
s
e
t
o the
d
at
a
type
d in
answ
er to
t
he
inq
u
i
ry
"W
ORD
?
"
.
En
ter
t
his
pr
o
gr
a
m:
10
I
N
PU
T
"
W
ORD
?
"
;
A
$
20 B=
LE
N
(
A
$
)
30
PR
I
NT
"
WO
RD
I
S
"
;
B
;
"
LT
R
S
"
4
0
E
N
D
L..J
LJ L
m
ea
n
s
space
B
efo
r
e you RUN
th
e p
rog
r
a
m
,
no
t
e
se
v
e
r
a
l
n
e
w
feat
u
re
s
.
Li
ne
3
0 of
thi
s
prog
ram
e
x
c
e
eds the
24
-
ch
a
rac
te
r
m
a
x
imum
o
f
th
e
c
om
p
ut
e
r
'
s
d
is
p
l
ay
.
Wh
en a
li
n
e
i
s
l
onger
th
an 24
chara
c
ters (up
t
o
th
e
7
9-ch
a
r
ac
t
er
m
aximum)
,
t
he
co
m
pu
t
e
r mov
e
s
th
e
c
h
a
r
a
ct
e
r
s
t
o
t
h
e
l
eft
a
s
t
h
e
24-c
h
a
r
ac
t
e
r
max
imum
i
s
e
x
ceeded
.
Thi
s
doe
s
no
t
de
s
tr
oy
t
h
e
p
r
ev
i
o
us
in
pu
t.
Th
i
s
mo
v
e to the
l
eft
i
s
r
efe
r
re
d
t
o as
ho
r
izo
n
tal
sc
rolli
n
g
.
T
he
s
econd
ne
w
eleme
n
t in
t
h
i
s
p
r
o
g
ram
i
s
th
e
u
s
e
o
f
t
h
e
E
ND
s
tatement to
s
ign
a
l
the
co
m
p
l
e
t
i
o
n
o
f a
p
ro
g
ra
m
.
END
te
ll
s
th
e
c
o
mp
u
ter
t
h
a
t
t
h
e
p
ro
gram
i
s
co
m
p
l
eted
.
I
t
i
s
a
lw
ays
go
o
d
program
m
i
ng
p
r
ac
ti
ce
t
o
u
se
a
n
E
ND
s
t
a
tem
e
nt.
A
s your
pr
og
r
a
m
s
b
e
c
o
m
e
mo
re
c
ompl
ex,
y
ou
m
ay
wi
s
h
t
o
r
evie
w
t
h
em
befor
e
b
eg
i
n
nin
g
exec
u
t
i
on
.
To
l
ook at your pr
og
r
am
,
u
se
t
h
e
LI
S
T
com
m
a
n
d
.
LI
ST
,
whi
c
h
ca
n
on
ly be
u
s
ed
in
th
e
PR
Ogram
mod
e,
di
sp
l
ays
progr
a
m
s
be
g
i
nn
i
n
g w
i
th
the
lowe
s
t
lin
e
nu
m
ber
.
A
$=
"
T
O
TAL
"
To
ass
i
gn a stri
n
g
va
r
ia
b
le
,
you
a
l
so
u
s
e
a
l
et
t
e
r
,
f
o
ll
o
we
d
b
y
a
do
llar
si
gn
.
Do not use
the
same
letter In designating
a
numeric and a
string
fixed
variable.
Y
o
u
can
n
o
t
de
s
i
g
n
a
t
e A
a
n
d
A
$ in
t
he
s
a
m
e
pro
gr
a
m
.
R
e
m
ember
t
h
a
t each
stri
n
g
f
ixed
va
riab
le
m
us
t
no
t
e
x
ceed
7
ch
arac
t
e
rs in
length
:
A
=
5
If you
a
r
e
un
f
amili
a
r
w
it
h t h
e
u
s
e of
num
e
ri
c
a
n
d
s
t
ri
ng
v
ariab
l
es
i
n
BA
S
I
C
,
r
e
read
th
ese
sec
ti
o
n
s
in
Ch
apter
4
.
U
s
i
ng
va
r
i
a
b
l
e
s
i
n
program
m
i
ng
a
ll
ows much
m
ore
soph
i
s
t
i
c
ated
u
s
e
o
f
t
h
e
co
mpu
-
t
e
r's
co
mpu
ting
ab
ili
t
i
es
.
R
e
m
e
m
b
er
,
you
ass
ig
n
num
e
r
ic fi
xed
va
r
i
a
bles
u
si
n
g a n
y le
tte
r
s
fr
o
m A to
Z
:
Example
3-
Using Variables in Programming
Programming
the
Computer

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