NB - Is Not Between 
The Is Not Between (NB) operator checks to see if the value of Operand 1 is not between the 2 values defined in Operand 2 and Operand 3. 
Statement:			If the employee has worked for the company for at least 1 year, give a bonus of $100.00 in the last pay of the year (stored in PC 5000). Otherwise, give new employees a bonus of $50.00.
||Line||CMD||OT||Operand 1||OPER||OT||Operand2||OT||Operand3||If Goto||	Else GoTo
00010	LET	V	YEARS SERVICE	YBT	DB	EEM.HIRE_DATE	$S	PERIOD-END-DATE	00020	
00020	PPE			EY	$S	PERIOD-END-DATE			00100	99999
00100	IF	V	YEARS SERVICE	NB	N	1	N	99	00200	00300
00200	LET	PC	5000	EQ	N	50			99999	
00300	LET	PC	5000	EQ	N	100			99999	
99999	EXIT								99999	

Line 00100 checks to see if the years of service (Operand 1) is not between 1and 99 years (Operand2 and 3).