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BASIC-SO
STR$
The STR$ function returns a string
of
decimal digits that represent the value
of
the
integer expression.
STR$ (expression)
10 FOR
1=0
TO 9
20
A$
= A$ + MID$ (STR$ (I),
2)
30
NEXT 1
40
PRINT A$
RUN
0123456789
Ok
TAB
The TAB function spaces to
the
specified column position
at
the terminal.
The
left-
most column
is
1
and
the rightmost is the
WIDTH
value.
If
the current
print
posi-
tion
is
beyond the specified column, TAB will force a carriage return, line feed
before spacing
to
the specified column. This function may only be used with the
PRINT
statement.
If
the expression rounds
to
a value less
than
1,
TAB(1) results.
If
the expression rounds
to
over
WIDTH
value, TAB (expression
MOD
width) results.
TAB
(expression)
10 FOR
1=
1TO 4
20
PRINT T
AS
(I); I
30
NEXT
I
RUN
1
2
3
Ok
TAN
4
The
TAN
function returns the tangent value
of
the argument. The input
is
given in
radians. The calculation
is
performed in single precision.
T
AN
(expression)
10
INPUT
A
20
PRINT
TAN
(A)
30
END
RUN
?
41
.160656
Ok
USRn
The USRn function is used
to
reference a user-defined assembly-language, PL/M-80
or
Fortran-80 subroutine. The DEFUSRn statement specifies the starting address
for the corresponding
USRn subroutine.
The
argument n may
be
any integer from 0
to
24;
if
no
argument is given, 0
is
assumed.
The
type character indicates the type
of
the result.
If
none
is
indicated, the result must be returned as
an
integer in registers
Hand
L.
Functions
7-13