MATLAB: Older, legacy toolboxes

bioinformatic toolboxtoolbox

I am using version R2009a of MATLAB and want to purchase the Bioinformatics toolbox. However, the MATLAB store only offers newer versions of the toolbox for R2011 and R2012 – do MathWorks only offer toolboxes for purchase for newer versions of MATLAB? What I need specifically is the Bioinformatics toolbox version 3.3 and that cannot be purchased (version 3.3 is the version of this toolbox for R2009a).
Does anyone know how I would go about buying this toolbox? Or is it simply MathWorks' policy to no longer offer legacy toolboxes after a certain period?

Best Answer

You can download any version of a toolbox or MATLAB release if you have a professional version of MATLAB and the maintenance subscription. As for buying additional legacy toolboxes for student version, I don't know.
This seems to say that you can:
http://www.mathworks.com/support/solutions/en/data/1-A453GO/index.html
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