ST language elements

IEC compliance table for ST language elements:

Table No.	Feature No.	Feature description
55	1	Parenthesization (expression)
	2	Function evaluation: functionName(listOfArguments)
	3	Exponentiation: `**`
	4	Negation: `-`
	5	Complement: `NOT`
	6	Multiply: `*`
	7	Divide: `/`
	8	Modulo: `MOD`
	9	Add: `+`
	10	Subtract: `-`
	11	Comparison: `<`, `>`, `<=`, `>=`
	12	Equality: `=`
	13	Inequality: `<>`
	14	Boolean AND: `&`
	15	Boolean AND: `AND`
	16	Boolean Exclusive OR: `XOR`
	17	Boolean OR: `OR`
56	1	Assignment
	2	Function block invocation and function block output usage
	3	`RETURN` statement (Note)
	4	`IF` statement
	5	`CASE` statement
	6	`FOR` statement
	7	`WHILE` statement
	8	`REPEAT` statement
	9	`EXIT` statement
	10	Empty statement

Note

In DFB only.