So, in Microsoft PowerPoint, we can insert symbols also. A we can recall we insert an equation in the previous one. So we can insert symbols. So for PowerPoint if we want to insert symbols, we have to create that's why in silent, Norma Tex, then eventually we want to insert and we, as I say common sense we're going to insert that we can go go into symbol. Here we go for symbols. And we can choose all these symbols that we want to we can insert in a good cross.

So we have a symbol here.