Read this: http://rhf.bradley.edu/~rkremer/tifaq.htm#3.3 >I was wondering if anyone could give me the name of a site where I could build >my own graphlink for the TI-82 Calculator. I have the software, which I >downloaded from the internet, but I want to know how to build my own >graphlink. E-mail me at swilson13@hotmail.com.