[iText-questions] special math signs

[Cezar FLOROIU]

Hi

 

I'm trying to insert in a PDF special math signs like ≤, ≥ , ±.

The only one that I managed to insert was ± (\u00b1).

 

Why I can't insert ≤ (\u2264), ≥ (\u2265) ?

 

Any thoughts ?

 

Thanks