TF Softwares has developed the Turning Calculations application to support professionals and students in the Mechanical Machining area to facilitate and assist in understanding the Cutting Parameter calculations that are required for the Turning Parts work. The application allows the user to calculate the Cutting Speed, RPM, Cut Time, Taper Turning, among others ... It has information about the formulas used in each calculation. It allows the consultation of several tables of Cutting Parameters, and Threaded Systems. The application is available in Portuguese (Brazil), and has support in English (us), and Spanish (es).