I notice on my table in Excel on my mac that when I scroll down without freezing panes, it works very similar to the PC version in the sense that it keeps the column field labels in view, but the little filter triangles disappear, and I can't see them unless I scroll to the top of the table. If I right click on a value in that column, the filter command is inferior to the filter command on the little triangle at the top of the column. Is this just a short coming of the Mac version of Excel 2011, or have I set something wrong?