I'm trying to get this FormCalc calculation to work:Date2Num (form1.Page1_SF.EffectDates.endDate, "M/D/YYYY") - Date2Num (form1.Page1_SF.EffectDates.startDate, "M/D/YYYY")Evently, I will divide it by 7 to get the number of weeks, but the initial calculation does not want to work after entering in th...