You've to read lisence agreement and manual to find out what and how you can/have to distribute. I don't work with this product so cannot help you with that.

>
> I have downloaded it and indeed it is more professional. I have dropped it as an OLE object on a form and created some symbols, it looks very good.
>
>If I want to make an exe from a very simple form containing some symbols and a main program and want to distribute this to a potential client, do I have to include some additional files? So yes, which files?
>
> I ask this because a user may not have MathhType on his computer.