Bluelink@aol.com writes: > OK what is that other port on the ti92+?? is it a usb port of some kind or what? And what does it do? What can you plug into it?? it is the projector port : allows you to retroproject your calc screen in class. > Ken -- Mathieu Lacage Snailmail: ch 224, 212 Rue de Tolbiac 75013 Paris email: lacage@email.enst.fr url: http://www.stud.enst.fr/~lacage