Could you post the program, I'm sure a bunch of people want to know how fast their calcs are. >> >>I've calculated the clock frequency of my (unturboed) TI to be about 6,3 >>MHz with a ZShell program. >-Mel > >-- >The TI Memory Expansion Homepage >http://pilot.msu.edu/user/tsaimelv/expander.htm > Bill Stysiack wjs12@cornell.edu