Could anyone advise me on how I can operate in 3D mode? When I attempt to enter co0ordinates as shown in the help files,"you enter this," all attempts are rejected.I was advised to navigate by means of, "Tab," and to enter multiplication and other arithmatic functions by means of, "function," from the same math menu from which I chose,"3 vector,"Neither of these suggestions have enabled me to get the program to accept anything I try to enter.I would any advice you could offer.
Thanks, Charles van Bassen