Qaral,

Two more examples might help. The first is based on Stephen Bullen's
defined names example the Tushar mentioned - it's stripped down a bit:

http://www.pdbook.com/index.php/char...rt_a_function/

The second plots each individual data point as opposed to using defined names:

http://www.pdbook.com/index.php/char..._distribution/

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Regards,
John Mansfield
http:www.pdbook.com
"Qaral Shams" wrote:

Hi
can any one tell me that how should i plot a graph of a mathematical
equation. what i mean i just write the eqaution and the graph is genrated.
like in any mathematical software?
I want to graph a equation w/o calculating its data points.
Regard