<> is a logical operator which returns a boolean value:

TRUE if both sides of the operator are evaluated as NOT equal to each other in binary
FALSE if both sides of the operator are evaluated as equal to each other in binary

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 = (Equal).