form field calculations to automatically compute the value of given fields from other fields.Javascript Support: The added support for Javascript in version 3.0 greatly improves user experience when filling interactive PDF forms by implementing: This view provides an exceptional reading experience on smaller Android phones and tablets by eliminating the need for horizontal scrolling. Font size can be increased or decreased according to reading preferences. Text reflow shows a text-only view of a PDF document and automatically reflows the content to fit the screen width as users zoom in and out. Text Reflow Mode: The text reflow feature allows for more effective reading of ebooks, magazines, and articles while on the go. Use text reflow for a great reading experience