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I don't like the vertical lines in tables, and I think that in your table the data aspect is best centered, but below you have a code for this table.
\documentclass{article}
\usepackage[T1]{fontenc}
\usepackage[latin9]{inputenc}

\makeatletter
\providecommand{\tabularnewline}{\\}
\usepackage ...

You can use this code where I cute your long formula with a gather* environment. For you page layout you should modify the margins in geometry package. See the packages array and booktabs.
\documentclass[11pt]{article}
\usepackage{graphicx,latexsym,amsfonts,amssymb,amsmath,verbatim,lscape,multirow ...

I'm foolish with your table head formula. Can you send us a hand type example of this?

You can use this code for that:

\documentclass[spanish]{article}
\usepackage[T1]{fontenc}
\usepackage[latin9]{inputenc}
\makeatletter
\providecommand{\tabularnewline}{\\}
\makeatother
\usepackage{babel}
\usepackage{multirow}
\usepackage{array}
\usepackage{colortbl}
\usepackage{color}
\addto ...

Hello to all. I have a problem with a table with multirows and I can't to center the headers. Of course in the preamble I have \usepackage{multirow}. This is the LaTeX code for the table:

\renewcommand{\arraystretch}{1.2}
\begin{center}
\begin{tabular}{|>{\centering}m{2cm}|>{\centering}m{1cm ...

OK. Thank you very much to localghost for his reply. So, without nothing, any other time, this is the errors that I have:

Hello to all.

I am writing a book (two sides) on astronomy and navigation with a lot of figures, tables and equations. I don't have any problem to reference in the text to the ...

Hello to all.

I am writing a book (two sides) on astronomy and navigation with a lot of figures, tables and equations. I don't have any problem to reference in the text to the apropiate labels of figures, tables, equations and chapters, but when I put a label in a section title I have this two ...

In the document pgfmanual.pdf you need to read carefully the nexts sections and tips:

14.3.4 Graphic Parameters: Arrow Tips (pag. 134)
14.3.5 Graphic Parameters: Double Lines and Bordered Lines (pag. 136)
22 Arrow Tips Library (pag.224)
39.5 Arrow Shapes (pag. 334)
58 Arrow Tips (pag. 466)

Can you send us an example of that you need? Thanks.

I think that for your table is better to use another aplication than LaTeX for to construct a spreedsheet, with OpenOffice Calc or Micro$soft Excel for example, but if you want to use LaTeX see the attached file.