UC - UserCalc Calculation 
For the Call command UserCalc, the type of UserCalc and name of UserCalc must be defined. 
For Calculation type UserCalcs UC must be used.
Line	CMD	OT	Operand 1	OPER	OT	Operand2	OT	Operand3	If Goto	Else GoTo
00010	CALL	UC	FULL-TIME SEN						00020	
00020	CALL	UC	4 PERC VAC PAY						99999	
99999	EXIT								99999