--> This program (autocad lisp) allows the users to perform arithmetic operations and get slope between two points this useful to use for checking and review the slope between two points in the drawing of pipe line profile to finished the works quickly without any mistake.

profile slope

Follow instruction below:-

1-Upload lisp (see how to upload the lisp in cad file) .
2-Type in command line slp.
3-Hit enter key.
4- Select first point.
5-Select first second.