Operators

Assignment operators	:=	Assignment
	##	Delay operator combined with the action type DEL
	$$	Schedule operator combined with the action type SCHED
Arithmetic operators	*	Multiplication
	/	Division
	+	Addition
	–	Subtraction
	**	Power 7**4 = 7⁴ = 2401
Comparison operators without synchronization	<	Less than
	>	Greater than
	!=	Not equal to
Comparison operators with synchronization	This operator type forces the simulator to synchronize on the condition with the minimum step width.
	<=	Less than or equal to
	>=	Greater than or equal to
	==	Equal to (compares two values for equality)
Logic operators (must use a space before and after the operator)	&&	Logical AND (conjunction)
	\|\|	Logical OR (disjunction)
	!	Logical NOT (negation)

Note:

For backward compatibility the operators: AND, OR, NOT, <>, ><, = are still recognized in pure SML text.