In the Time Calculation you will find a number of calculation bases. You must purchase each basis separately. MONITOR provides bases for the mechanical engineering industry as well as the woodworking industry. Some calculation bases consist of several individual bases. First a "global" basis for common input, as well as detailed individual basis. The calculation bases to which these apply are mainly milling (routing), turning and welding. Each calculation basis has an abbreviation that is used to select the calculation basis. Below you will find a description of different calculation bases, including their many variables.