{
   TCanvas *cl = new TCanvas("cl","cl",10,10,700,300);
   TLatex Tl; Tl.SetTextFont(43); Tl.SetTextSize(20);
   Tl.DrawText(.1, .10,   "#hat : ");   Tl.DrawLatex(.3, .10, " #hat{a} ");
   Tl.DrawText(.1, .23,   "#check : "); Tl.DrawLatex(.3, .23, " #check{a} ");
   Tl.DrawText(.1, .36,   "#acute : "); Tl.DrawLatex(.3, .36, " #acute{a} ");
   Tl.DrawText(.1, .50,   "#grave : "); Tl.DrawLatex(.3, .50, " #grave{a} ");
   Tl.DrawText(.1, .63,   "#dot : ");   Tl.DrawLatex(.3, .63, " #dot{a} ");
   Tl.DrawText(.1, .76,   "#ddot : ");  Tl.DrawLatex(.3, .76, " #ddot{a} ");
   Tl.DrawText(.1, .90,   "#tilde : "); Tl.DrawLatex(.3, .90, " #tilde{a} ");
}