Re: help functions

*Subject*: [mg2469] Re: [mg2435] help functions*From*: hay at haystack.demon.co.uk (Allan Hayes)*Date*: Mon, 13 Nov 1995 03:27:58 GMT*Approved*: usenet@wri.com*Distribution*: local*Newsgroups*: wri.mathgroup*Organization*: Wolfram Research, Inc.*Sender*: daemon at wri.com ( )

Jack Goldberg <jackgold at math.lsa.umich.edu> >Subject: [mg2435] help functions Writes >I would like to have a "help" command which generates more >information than ?. Jack: You can make you own additions as in the following example. You might put the extensions in a package (MoreHelp` ?) and put this into your init file for automatic loading at the start of each session. Unprotect[Plot]; Make your additions. Plot::usage = StringJoin[Plot::usage;, "\nMy additions"]; Here they are ?Plot Plot[f, {x, xmin, xmax}] generates a plot of f as a function of x from xmin to xmax. Plot[{f1, f2, ...}, {x, xmin, xmax}] plots several functions fi. My additions Protect[Plot] Allan Allan Hayes hay at haystack.demon.co.uk