Generates a scale of grades, calculating the grades based on a score entered and level of demand (%).The results are shown in two columns, differentiating in red and blue, the notes that are below and above the approval score, respectively.It allows exporting the result to a file in PDF format, for downloading and printing.Useful tool for teachers.Indispensable to correct tests.(Internet access permission is requested only to display a small advertising banner.The application can work perfectly without an Internet connection).