!! used as default html header if there is none in the selected theme.
The server will give you the graph of a function f (x), whose expression will be hidden. You will then be presented a certain number of other graphs, corresponding to modifications of such as , , or even , etc (see the menu below). And you should cocate the one which corresponds to one which will be precised in a question. To give the reply, you can simply click on the graph which you believe to be the good one.
Please take note that WIMS pages are interactively generated; they are not ordinary HTML files. They must be used interactively ONLINE. It is useless for you to gather them through a robot program.