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Can anyone help me to achieve with the code for to have an TOC like the attached file? I tried with the titletoc package, but I don't have the solution.

Thank you.

I don't have the option to center a table that's inserted in an enumerate environment: the option don't appears in the paragraph dialog. I'm using the enumiten package and many others.

Some help?

I have an multiline equation and I want to do a frame around all the equation, that have two lines. I don't know what's the method to do it without code.

\dfrac{\sen(l'+l)}{\sen(l'-l)}=\dfrac{2\,\sen\nicefrac{1}{2}(L'+L-2\alphaup)\cdot\cos\nicefrac{1}{2}(L'-L)}{2\,\cos\nicefrac{1}{2}(L'+L-2\alphaup ...

In the pdf generate with ps2pdf all the bookmarks are OK, but not in the Index marks. The document is a book and there are cahpters and sections. In the markers window of pdf archive, I can go easily to the chapters and sections, but I cannot do the same with the marks of the chapters in the Index ...

OK., thank you. Your code works in my LyX, but not in my preamble. I attach ALL the book.

Thank you very much. I'm not a master on Google and others.

I don't achive to the solution for to change the name of sin to spanish sen in the final .pdf archive. My preamble is attached.

Thank you.

I have problems to achieve with the method to continue the digits on an enumerate environment. In the LyX User's Guide tell me taht only neccesary is to change to Enumerate-Resume style, but I don't know where is this option.

Thanks in advance.

Thanks for your help, but I have another document with the same preamble and I don't have any problem to obtain the final pdf. In these equations I have the errors «Undefined control sequence» and «Limits control must follow a math operator»:

F=\sqrt{H^{2}+Z^{2}}\qquad H=F\cdot\cos\thetaup\qquad Z ...

Thanks for your help and your time. In the .tex archive attached, you can see that it's not thrue. I wrote \sin, not \sen. And in the preamble, as you can see, exists these declarations:

\renewcommand{\sin}{\sen \nolimits}
\renewcommand{\cos}{\cos \nolimits}
\renewcommand{\tan}{\tg \nolimits}