With this Add-on for Super Forms you can create advanced calculation forms based on the user input. Make awesome booking and order forms or create complex estimation forms. It is as easy as doing normal mathematics.
Demo https://codecanyon.net/item/super-forms-calculator/16045945
Downloadhttps://www.filecad.com/e2o0/Super-Forms---Calculator-Add-on-v1.8.2.rar