Okay I have a PDF of a my cataloge that I want to add some forms to since it will be web use, i want to add QTY boxes so they can save the PDF and email me their order. The product only comes in boxes of 36. So i want a box that automatically calculates sum of qty boxes when entered. ie. product 1 QTY = 6 product 2 QTY = 12 Product 2 QTY = 18 TOTAL QTY = 36 Ive tried everything I could. made 4 form boxes Box 1-3 i named QTY and box 4 I named total in the total box properties i selected sum(+) and added the 3 qty boxes. Also chose simple calculation mode and typed =QTY1+QTY2+QTY3 also Boxes show up on the PDF after I save it but the total does not change from 0 at all. Please help. thanks.