Vensim PLE Free for Studying SD

Today, I would like to introduce software for making system dynamics model. One of the most famous sofware is Vensim. You can try to use a free version of Vensim following this link.
http://vensim.com/freedownload.html

Emjoy for beginning, see you next.

Test first Blog SD-Model

Hi.. Welcome to my blog about SD Model. I'm a man who interested in the system dynamics. I want to learn and share my experience in this field. Hope everyone join with me and learning together.