OpenOffice

Try open office for your requirements
its free and easy to use also


http://why.openoffice.org/index.html


download the new version from here
support for Microsoft windows,mac and Linux,Solars also

http://download.openoffice.org/other.html


some screen shots are here

http://www.openoffice.org/product/pix/writer-big.png
http://www.openoffice.org/product/pix/calc-big.png
http://www.openoffice.org/product/pix/impress-big.png
http://www.openoffice.org/product/pix/draw-big.png
http://www.openoffice.org/product/pix/base-big.png
http://www.openoffice.org/product/pix/math-big.png