TeX: Open Office Calc to Tabular

1. Download "Calc2LaTeX" macro:

http://extensions.services.openoffice.org/project/Calc2LaTeX

2. How To:

http://www.derekhildreth.com/blog/how-to-install-and-use-calc2latex-tutorial/
Skip the installing part. It will be already there for OOs 2.0 & 3.0.