Quickly and Easily calculate the Tool Nose Radius Compensation Needed when turning parts on a CNC Lathe. Calculates the Tool Tip Compensation need to accurately turn OD and ID Angles on a CNC Lathe. This is a must have APP for CNC Machinists, CNC Set-up Operators, CNC Programmers. You simply input the angle and tool nose / tip radius and the calculators calculate the compensation needed on the x and z axis to accurately turn the angle.