- Download Octave from following site:ftp://ftp.gnu.org/gnu/octave
2.After downloading the octave , Run this command on terminal $sudo apt-get install Octave.
3.Installation will take few minutes.
4.After installation is complete, find location of Octave using $which octave.
4.Start Octave from terminal ,Run $octave command on terminal, octave:1> prompt will open.
5.Now you perform any calculation in Ocatve from terminal.