IF

 
 
IF
 
Purpose:     Logic statement for decision making.
 
Format:     IF x THEN clause [ELSE clause]
 
Description: x is any expression
 
clause is a BASIC statement or sequence of statements (separated by commas) or a line number to branch to
 
 
If x is true (non zero), the clause following the THEN is executed. If x is false (zero), the clause after the ELSE is executed.
 
Example:
10
IF OUT1 THEN START OUT2
 
 
20
IF AVG( A , B , C )  >  22.4 THEN 30 ELSE 50
 
 
30 PRINT “AVERAGE IS ABOVE 22.4"
 
 
 
40 END
 
 
 
50 PRINT “AVERAGE IS BELOW 22.4"
 
 
 
60 END