A string
IS
a sequence
of
characters up
to
32766
characters long. Variables
are
assumed
string
to
be type string
if
the variable name
is
suffixed
by
a $. String data
IS
represented by
enclosing the required characters
In
either single or double quotation
marks.
syntax: identifier$ I
"text"
example:
i.
string
variables$
ii.
"this
is
string
data"
iii.
"this;s
another
string
ll
•
•
Integers
are
wrole numbers
In
the range -32768
to
+32767.
Variables
are
assumed
to
be
Integer
If
the variable identifier
IS
suffixed
with
a percent
%.
There
are
no integer
constants
in
SuperBASIC,
so
all
constants
are
stored
as
floating
point
numbers.
syntax:
Identifier'l/o
example:
I.
counter%
il.
size
limitY.
ill.
this_is_an_integer_variabLe%
Floating
pOint
numbers
are
in
the range
±(lO-
S
"
to
10·6"), with 8 significant digits.
Floating point
is
the default data type
in
SuperBASIC
All
constants
are
held
in
floating
point form and can be entered using exponent notation
syntax:
Identifier I constant
example:
i.
current
accumulation
Ii.
76.2356-
IIi.
354E25
data
types
v~riables
integer
floating point
•
Type
name has the same form
as
a standard SuperBASIC identifier and
is
used by the
name
system
to
name Mlcrodrive flies
etc.
syntax: identifier
example:
i.
mdv1
data
fi
Le
ii.
ser1e
12/84
15
To Next Page
