>>I've been playing with the idea of using
>>
>>http://www.jsxgraph.org
>>
>>Do have a look. It is extremely simple. Practically no
>>programming, only definitions of objects.
>
>I am kind of iffy on how this thing works. There is a
>download but no .exe file or canvas to create the objects
>in. It seems as if you need to use GeoGebra or something to
>create the objects and then use this somehow to generate the
>embeddable code for what you created elsewhere. If I am
>wrong in this, please point me in the right direction.
>

No, not at all.

The drawing is right on an html page. If you look at the examples there, there is all that is needed. No exe files, just inclusion of JavaScript they provide. You ac download Javascript and include it from your own server, or link to their copy.