All and more about Sharp PC-1500 at http:f/www.PC-1500.info
Example 3:
INT 31 .
62
+
21.18
l<
•
tu
l
52.
18
The
com
puter
takes
that
INT of
th
e
fi
rst
number
31.
62
(result:
31)
a
nd
add
s th
at
to
21.18
10
9c1
52.18. This is s
li
ghtly diflorent
fr
om t
he
fi
r
st
computat
ion, eh?
S
GN
For
a
ny
number X
th
e
SG
N
fu
nction
re
tu
rns a value indi
ca
ting if the n
urn
ber
is
neg\'ltive. zero,
or
positive.
The
values
are
the follo\"ling:
i I x > 0
0
ii
x = 0
- 1
ii
X < O
Exa
rnpl
e
s:
5 - 10
(
i!
NtER!
-s
'
J
SGN (5 -
10)
[l:
NT
£il
)
12 - 4
[EHTii)
s]
SGN
(12 -
4)
!
LNTElll
f
15 -
15
!
FNTFA
I
0]
SGN
{1
5 -
151
@~
11
)
01
V. ADVANCED PROGRAMMING
A. A
RRAYS
and
the
DI
M
St
atement
Most
of
our sample programs
to
date have
u-sed
a small number
of
variablC:$.
As
you
beg
in
to
utilize
the
full processing potential
of
the PC-1500
you
will discover
that
variables whi
ch
hold
a
single
number
can h
ave
drawbac
ks.
Perhaps, for example.
you
are
co
nsidering a program
which reads in
fifty
num
bers and sorts them. You may quickly
conc
l
ud
e t
hat,
although the
PC
· 1500
ha
s m
ore
tha
n enough
po
tential
va
r
iab
les,
th
ere
must
be an easier way. There
is
. and
it
is
ca
ll
ed
an "array
var
i
ab
le".
An arr
ay
is simply a group of con
se
cuti
ve
stor
age
areas.
or "lo
ca
tions",
i.•1ith
a
si
1iglc name .
Ea
ch
sto
ra
ge
ar
ea
con
hold a s
ingle
numbe
r or
l?'ach
s
torag
e
area
can
ho
ld
a
ch
ci
r
.a
c
ter
s
tring
. All of
the storage are
as
wi
thin a given array
must
ho
ld
th
e same type
of
data.
T
he
number
of
locations within a single array
may
be
as
mat1y as 2
56
and
is
dtttermined
by
your specification. Thus, if you define a numeric array with
50
location
s.
this allows
you
to st
or
e
up
to
50
numbers in association with a single name.
If
you
de
fine an
arra
y
of
st
ri
ngs (called a
67
Do
not sale this PDF!!!
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