Is there any drawing tool to draw this?

[volabos]

Dear all, I am looking for some "drawing tools" to draw the plots given here: "http://cfs.nrcan.gc.ca/images/7963"

We have so many drawing tools like drawing Rectangle, circles however I could not find any tool to draw such kind of object.

Any suggestion please?

Thanks for your time.

[fumei]

Are these from a formula?

Are you looking for a stand-alone application, or something working inside Word?

[volabos]

The way we draw a rectangle or circle from the drawing toolbox, I want something like that most prefably. However if there are other applications (may be correl-draw, I dont know) please let me know.

It is almost impossible to draw those manually.

[fumei]

Well, it is hard to say. You did not reply to the question is this from a formula. In other words, is the curve very explicit, or is this for a more generalized look?

While: "It is almost impossible to draw those manually." is somewhat true, using line segments to manipulate Bezier curves is standard (pretty much) in all vector applications. Corel uses Bezier curves very well, for example. You could certainly make curves like that fairly easily with Corel. I assume this is also true for Illustrator, but I do not use Illustrator, so I can not say.

Also, are you using a drawing pen? They make this kind of stuff a LOT easier.

Have you done a search for CAD software? There are a number of free ones. Whether they would work for what you are doing is hard to say.

[fumei]

They do look rather (at least your "Normal") like a standard bell curve. In which case, I am sure there are apps that can take formula and spit out curves like that.