http://www.dessci.com/en/products/mathtype/trial.asp
Scientific WorkPlace 5.0
http://www.mackichan.com/licensing.net/dnloadreq.aspx
Macromedia Freehand
http://www.macromedia.com/software/freehand/trial/
Cabri Geometry
http://www.chartwellyorke.co m/cabr..._eval _us.exe