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
example, STR$(65) returns 65 as a
string.)
THEN Used with IF. If the expression is
true, the THEN statements are
executed. If the expression is false,
control passes to the next line.
TO Used with FOR, as in "FOR X = 1
TO 10." Separates the loop range
expressions.
TRAP T. 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 DOS
manual) and in graphics work.
Functions as a general I/O statement.
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