2.5.4 V AL and STR$
Format
).
Function
STR$ (x) Returns a string
of
ASCII characters
x: Numeric expression representing the value
of
numeric
expression
X.
VAL(x$)
x$:
String expression
Converts an ASCII character repre-
sentation
of
a numeric value
into
a
numeric value. This
is
the
comple-
ment
of
the
STR$ function.
Example
A$=STR$ (
-12)
Substitutes the character string
11
- 12
11
into
string variable A$.
B$
=STR$ (70
~
33)
Substitutes the character string
11
2310
11
into
string variable B$.
C$=STR$ (1200000 *
5000)
Substitutes
the
character string
11
6E +
09
11
into string variable C$.
Note: Positive numeric values are displayed with a
leading space
to
indicate
that
the plus
sign
(+)has
been omitted. However, this space
is
not
included in the character sting
rt>-
turned by the STR$ function.
A=VAL (
11
123
11
)
Converts
the
character string
11
123
11
into
the
number
123 and assigns it
to
numeric variable
A.
The
following sample program illustrates use
of
some
of
the
functions discussed above
to
display
numeric values in tabular
format
(with
the
decimal points aligned).
1.
23456
12
.
3456
1 0
1
12
34
If
the values read from DATA statements were displayed using only the PRINT statement,
the
result
would appear
as
shown below.
1 0
FOR
X=1
TO
5
20
READ
A
3 0
L=5-LEN
CSTR$
C I NTCA) ) )
4 0
PRINT
TAB
CL)
;A
5 0
NEXT:
END
60
DATA
1.
23456.
12.3456
70
DATA
12
3.
456,
1
234.56
80
DATA
1
2345.
6
1 .
23456
1
2.
3456
123.
456
1234
.
56
1
2345.
6
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