This macro draws 5 Latex-style formula in a canvas and prints the canvas as a Postscript file. 
  
void latex() {
   
   l.DrawLatex(0.1,0.9,
"1)   C(x) = d #sqrt{#frac{2}{#lambdaD}}\ 
   #int^{x}_{0}cos(#frac{#pi}{2}t^{2})dt");
   l.DrawLatex(0.1,0.7,
"2)   C(x) = d #sqrt{#frac{2}{#lambdaD}}\ 
   #int^{x}cos(#frac{#pi}{2}t^{2})dt");
   l.DrawLatex(0.1,0.5,
"3)   R = |A|^{2} = #frac{1}{2}#left(#[]{#frac{1}{2}+\ 
   C(V)}^{2}+#[]{#frac{1}{2}+S(V)}^{2}#right)");
   "4)   F(t) = #sum_{i=-#infty}^{#infty}A(i)cos#[]{#frac{i}{t+i}}");
   l.DrawLatex(0.1,0.1,
"5)   {}_{3}^{7}Li");
 
}
To draw Mathematical Formula.
 
void Print(Option_t *option="") const override
Dump this line with its attributes.
 
- Author
 - Rene Brun 
 
Definition in file latex.C.