#include <TH1F.h>;
#include <TPaveText.h>;
#include <TCanvas.h>;

TH1F h("h","histo",100,-5,5);
TPaveText t(0.8,0.8,1,1);

TCanvas c("c","Canvas",0,0,500,500);

void p(){

  h.FillRandom("gaus");

  h.SetStats(0);

  h.Draw();

  t.AddText("hola");

  t.Draw();

}//void