{
   TCanvas *c2 = new TCanvas("c2","c2",10,10,700,500);

   gPad->DrawFrame(0.,-2.,10.,2);

   TF1 *f1=new TF1("f1","-x",-10,10);
   TGaxis *A1 = new TGaxis(0,2,10,2,"f1",510,"-");
   A1->SetTitle("axis with decreasing values");
   A1->Draw();

   TF1 *f2=new TF1("f2","exp(x)",0,2);
   TGaxis *A2 = new TGaxis(1,1,9,1,"f2");
   A2->SetTitle("exponential axis");
   A2->SetLabelSize(0.03);
   A2->SetTitleSize(0.03);
   A2->SetTitleOffset(1.2);
   A2->Draw();

   TF1 *f3=new TF1("f3","log10(x)",1,1000);
   TGaxis *A3 = new TGaxis(2,-2,2,0,"f3",505,"");
   A3->SetTitle("logarithmic axis");
   A3->SetLabelSize(0.02);
   A3->SetTitleSize(0.03);
   A3->SetTitleOffset(0.); // Axis title automatically placed
   A3->Draw();
}