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MathGroup Archive 1995

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Re: help functions

  • To: mathgroup at
  • Subject: [mg2469] Re: [mg2435] help functions
  • From: Allan Hayes <hay at>
  • Date: Sun, 12 Nov 1995 22:27:58 -0500

Jack Goldberg <jackgold at>
>Subject: [mg2435] help functions

>I would like to have a "help" command which generates more
>information than ?.

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  


Make your additions.

Plot::usage = StringJoin[Plot::usage;, "\nMy additions"];

Here they are

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  
functions fi.
My additions



Allan Hayes
hay at

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