Here is my $.01 on the deal... don't do it. Mouses for calcs is silly cuz like I said, it isn't a computer... using arrow keys works just fine and anyone who thinks that a TI should have a mouse (other than coolness) probably owns a PDA w/ WinCE or a Macintosh (or even one of them iMac's!)... ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com