[Computer Hardware,
Software and Terminology]
[UNIX and World Wide Web]
Matlab tutorials:
http://www.mathworks.com/access/helpdesk/help/techdoc/matlab_prog/exampleindex.html
http://alice.nc.huji.ac.il/~hvuag/neuromath/math/Matlab_Tutorial.pdf
Scilab:
http://www.scilab.org/Octave:
http://www.gnu.org/software/octave/
http://www.gnu.org/software/octave/FAQ.html#MATLAB-compatibility
http://www.octave.org/doc/index.html
http://math.iu-bremen.de/oliver/teaching/iub/resources/octave/octave-intro/octave-intro.html