> Doesn't work for me either. Although it should because its in the TI-86 > manual. My TI-82 will let me do: > Line(1,1,2,2,1 > Line(1,1,2,2,0 > just fine without any problems. My TI-86 won't let me do either. Apparently, TI copied that part of the TI-86 manual from the TI-83 manual or something like that (maybe planning to support it). It's not supported by the TI-86.