Differences between Exponential Basic 2.x and Exponential 3.x
Exponential Basic 2.2 and Exponential 3.x are two different systems. The 2.2 version was a fixed solution with a fixed set of functionality and modules while Exponential 6 offers much more functionality, flexibility and scalability for the users. Exponential 6 is also a powerful development framework that offers the users a wide range of possibilities in terms of usage. If you have tried both systems you will easily see the differences between the two systems. Sitepoint.com has written a good article about these issues here