Useful math tool

1. Mathematica
2. Matlab
3. Maxima
4. ocatave ( same syntax as matlab)
5. Sage (similar syntax as mathematica, I should try)

Change resolution UBUNTU 14.04 LTS

http://askubuntu.com/questions/442851/how-can-i-get-my-monitors-maximum-resolution-without-the-proprietary-amd-graphi