Each toolbox is purchased separately. If an evaluation license is requested, the MathWorks sales department requires detailed information about the project for which MATLAB is to be evaluated. Overall the process of acquiring a license is expensive in terms of money and time.[ଆଧାର ଲୋଡ଼ା] If granted (which it often is), the evaluation license is valid for two to four weeks. A student version of MATLAB is also available.