Never buy a recent MATLAB Student version " used"! It could mean that the previous owner has activated the program already, and according to MathWorks' customer service ( I' m citing another reviewer) you cannot get it to run:. Getting Started with MATLAB: A Quick Introduction for Scientists and Engineers 7th Edition.
MATLAB student- use software provides the same tools that professional engineers and scientists use every day.
MATLAB is the easiest and most productive software environment for engineers and scientists. Try, buy, and learn MATLAB.
The Octave syntax is largely compatible with Matlab.