software for libraries library VISUAL download it in do that functions cannot make library VISUAL? Use the program on several machines in network (one with the database and several executables in different machines) if desired can be done that the machines do not have the database are read-only password to use if the user wants it, activate it, deactivate it, and change it to use reader of barcode in the field inventory or use isbn data depending on the query changes a single grid of results in a single window only that can be in four tables (existence, borrowed, sold and history) or consultation in all tables, (displays the current table in the title of the program) searches can be in any field, in different tables, all tables, and between a range of times (beginning to end) view the totals of amounts and prices run the query add the record selected loaned or sold, to delete these records from provided or sold are passed directly to the history table, also you can delete history show all records in a table with a single button (show all) adding records to the table existence from a single button (add record) add an image to each record to add records to edit the registry directly selected or with the button (Edit selected) clear the log selected from a single button (delete record) add or edit the registry from a single button image (edit image) view full size image from the image of the seleccionadoImprimir registry the consultations conducted transfer queries to excel set up the program to taste (colors, texts, objects, images etc.