install libreffice 3.5 with ppa in Ubuntu

LibreOffice is the power-packed free, libre and open source personal productivity suite .
Install the latest version of Libreffice with ppa in Ubuntu to get the most latest features
whats new in 3.5

Whats new  in 3.5 : 
This release fixes many bugs and  improves the stability of the software, many changes are improvements in Calc, Impress, in the handling of fonts and import and export of other formats

see all changes 

 sudo add-apt-repository ppa:libreoffice/ppa
 sudo apt-get update
 sudo apt-get install libreoffice libreoffice-gnome