STOP
STO.
Causes the program to stop but does
not
close files or turn off sounds.
STR$
Returns a
character
string equal to
the numeric
value given. (For
exampl
e,
STR$(65) returns 65 as a
string.)
THEN Used with
I F. If the expression
is
true, the
TH
EN
statements are
executed.
If the expression is false,
control passes to the next line.
TO
Used with
FOR
, as in
"FOR
X =
TO
10." Separates the loop range
expressions.
TRAP
1.
Takes control of the program
in
case
of
an
INPUT error and directs
execution to a specified
line number.
USR
Returns the results of a machine-
language subroutine.
VAL
Returns the equivalent numeric value
of a string.
XIO
X.
Used with disk operations (see Disk
Operating System manual) and
in
graphics work. Functions as a
general
I/O statement.
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