Thank you for your reply.
I was just being niggly because I can't get that tune out of my head again.
I have a Bamboo tablet so I am going to see whether that pen works on the screen.
I have found that the little rubber tipped pens for tablets work well also.
Cut3D, VCarvePro 6.5, Aspire4, PhotoVCarve, Corel Graphics Suite X6