<= is a logical operator which returns a boolean value:
TRUE if the expression on the left side of the operator is evaluated as being less than or equal to the right side of the operator
FALSE if the expression on the left side of the operator is evaluated as greater than the right side of the operator
SYNTAX:
(Cx or Exp) <= (Cx or Exp)
where :
Cx is a conditional variable x
Exp is a Expression
NOTES:
Typically used in the logical expression of an IF statement.
The opposite of > (Greater Than).