Application that allows to obtain the Cutter-Sanborn value of a given last name and name. Ideal for librarians and/or students. The application uses the three-digit Cutter-Sanborn classification table. NO internet connection is required. Currently only supports characters from the Spanish (including accents) and English alphabets. In future versions the capacity of the application will be expanded. As an extra, this application can use a version of the Spanish alphabet that took into account