Good question. I have no idea. There is some source code for Blitz3D here:
http://www.blitzbasic.com/Community/posts.php?topic=42657
And it seems to be using floats. So I think B+ works with int floats and strings too.
http://www.blitzbasic.com/Community/posts.php?topic=42657
And it seems to be using floats. So I think B+ works with int floats and strings too.