tania habib wrote:
Can you please elaborate a little more on Gnuplot, is this an object?. Which library it belongs to?
Gnuplot is a stand-alone application that is driven via command line, so you can use [shell] to send data to it:
"Prisons are needed only to provide the illusion that courts and police are effective. They're a kind of job insurance." (Leto II. in: Frank Herbert, God Emperor of Dune) http://thomas.dergrossebruder.org/