In the next few months ACME Software will be re-newing it's support for the TI-81 due to re-newed interest. Hope that you can wait until then. http://members.aol.com/Warren561/acme.html Warren Thiptus ACME Software; Glendale, Arizona Visit ACME Software at: INTERNET- http://members.aol.com/Warren561/acme.html E-MAIL- Warren561@aol.com