I've not used Mathematica, so my views would be as useless here. Octave can be greatly compared to MATLAB. It actually tries its best to be as compatible with M

I've not used Mathematica, so my views would be as useless here. Octave can be greatly compared to MATLAB. It actually tries its best to be as compatible with MATLAB as possible. So, one can say it is as closed to Mathematica as MATLAB is.