Well just to answer your First Question 4 Floating licenses of Matlab with only Simulink and Stateflow costs you around 8,200,000 INR which is equivalent to 206,861.4 US$. Hence a small application would be always better than procuring few more license. Moreover getting approval for license and all needs a huge cycle time, against which developing an application would always be better
There are only two kinds of people who are really fascinating-people who know absolutely everything, and people who know absolutely nothing. Oscar Wilde (1854-1900) Regards... Shouvik