This is a formula I use in excel but I dont know how to write it in Adobe lifecycle. =IF(E15="Y",D15/1.15,E15)I have three columns 1st field called Amount (E15), 2nd field called GST (Y/N) and the 3rd cell called Ex GST (D15). if an invoice includes gst then the user enters Y in the 2nd field. Th...