Tandy 1000 - Page 290

Basic
User-defined keys are 17-20. Use the following syntax to define your
own user keys:
KEY number, CHR$(key) + CHR$(scan)
Key
is one of the following:
&H40 [CAPS) lock key
&H20 CNUM LOCK1 key
&H08 0 key
&H04 0 key
&H02 Left (SHIFT) key
&H01 Right key
Scan is the scan code for a physical key on the keyboard.
KILL pathname
Kills (deletes) pathname from disk.
KILL "fi 1e.bas"
K I L L "A : \ R E PORT \ d a t a''
LEFT$(string,number)
Returns the specified number of characters from the left portion of
string. Number must be in the range 1 to 255.
P R I NT
LE
F T$ ("BATT LE S H I P S" , 6 1
LEN(string)
Returns the number of characters in string. Blanks are counted.
PRINT LEN("D0G") + LEN ("TERRIER")
X = LEN(SENTENCE$)
LET variable = expression
Assigns the value of expression to variable. BASIC does not require
assignment statements to begin with
LET.
LET A$ = "A ROSE IS A ROSE"
LET
B1 = 1.23
Tandy 1000 39