Manual CNC Programming Manual CNC programming is the oldest and most challenging variety. This type of programming requires the programmer to know how the machine will respond. They need to visualize the program’s outcome. Therefore, this type of programming is best for the simplest tasks or when an expert must create a highly specific design. CAM CNC Programming CAM CNC programming is ideal for those who may lack advanced math skills. The software converts CAD design into the CNC programming language and overcomes many of the mathematical hurdles required when using a manual programming method. This approach presents a reasonable middle ground between the level of expertise necessary for manual programming and the extreme ease of conversational programming. However, by using CAM for programming, you have more options compared to the latter and can automate much of the process with a CAD design. Conversational or Instant CNC Programming The easiest type of programming for beginners is conversational or instant programming. With this technique, users don’t need to know G-code to create the intended cuts. Conversational programming allows the user to enter the essential details in simple language. The operator also can verify tool movements before executing the program to ensure the design’s accuracy. The downside to this method is its inability to accommodate complex paths.