how long will my Matlab & Simulink Student version r2013a last

I just wanna know that how long will my above mentioned student version last, as I have to solve matlab problems mostly every semester till next fall

Answer 1

[Thomas]

Look here at the student version FAQ http://www.mathworks.com/academia/student_version/faq/

Q. For how long is my Student Version software activated?

A. Your Student Version software is activated indefinitely. After you graduate you will need to purchase a professional license.