I am ?Elham Shabani. I am a PhD student in Natural Resources and Environmental Engineering at Tabriz University of Iran. I study the prediction and ways of controlling pollution. I also study the relationship between income inequality and government policies on pollution in the Iranian agricultural sector. I have been studying postgraduate studies in relation to the growth resources of the Iranian agricultural sector and examining the hypothesis of induced innovation for this sector. I’ve been researching new econometric approaches to economics, and especially to the agricultural sector. My supervisor introduce this software and it’s advantages. I am glad to know wolfarm mathematica.