These G and M codes are useful reference information, on a desk, or at the machine.
They're great to have laminated with G codes on one side and M codes on the other. As a suggestion;
get 90lb. white cardstock and print G-codes on one side and M-codes on the other. Cut out the square
section and go to your local printer to get them laminated.
The following table lists the letters used to denote various arguments.
C - Tool change operator message (G00 required) D - Peck drill delta (used in G83), Data selection in G98. F - Feed rate (used in G00, G01, G02, G03, G72, G73, G83) Units per Second F - Dwell (used in G04) G - Preparatory function I - Circular interpolation value in X dimension (used in G02, G03, G72, G73) J - Circular interpolation value in Y dimension (used in G02, G03, G72, G73) K - Circular interpolation value in Z dimension (used in G02, G03, G72, G73) M - Miscellaneous function (control function) N - Sequence number R - Beginning Z motion dimension (used in G83) S - Spindle rpm (used in G97) T - Tool change (used in G00) X - X motion dimension Y - Y motion dimension Z - Z motion dimension