Hello Georges,
In plain TeX or Latex in order to get a superscript or subscript
in front of character you have to add {}. For example try $\rm {}_3^7Li$
in Latex. Below is my ROOT macro which test this feature.
Best regards,
Michal Lijowski
{
gROOT -> Reset();
TCanvas *c1 = new TCanvas("c1", "c1", 400, 300);
TLatex *tl = new TLatex();
tl -> SetTextFont(62);
tl -> SetTextSize(0.2);
tl -> SetTextAlign(22);
tl -> DrawLatex(0.2, 0.5, "{}_{3}^{7}Li");
TText *tt = new TText();
tt -> SetTextFont(62);
tt -> SetTextSize(0.2);
tt -> SetTextAlign(22);
tt -> DrawText(0.7, 0.5, "^7!&?3!Li");
c1 -> Update();
c1 -> SaveAs("c1.ps");
}
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