I'm just wondering... you know the other port on the top of the 92 (where the = signs are)... _______________===___ | ______ ti92 | | | | | | |____| | | | |___________________| what is it for?--it's not even in the 92 or + manual --- Noah Medling Free web-based email, anytime, anywhere! ZDNet Mail - http://www.zdnetmail.com