Atari 400 Basic Reference Manual page 80

RESERVED
WORD:
STR$
THEN
TO
TRAP
USR
VAL
XIO
ABBREVIATION:
T.
X.
BRIEF SUMMARY
OF BASIC STATEMENT
Function returns a character string equal to numeric
value given. For example:
STR$(65)
returns 65 as a
string.
Used with
IF:
If expression is true, the
THEN
statements are executed. If the expression is false, con-
trol passes to next line.
Used with
FOR
as in "FOR X =
1
TO
10".
Separates the
loop range expressions.
Takes control of program in case of an
INPUT
error
and directs execution to a specified line number.
Function returns results of a machine-language
subroutine.
Function returns the equivalent numeric value of a
string.
General I/0 statement used with disk operations (see
DOSIFMS Manual)
and in graphics work (Fill).
Appendix A-5