Recent DiscussionsMost RecentNewest TopicsMost LikesSolutionsTagged:TagFormula Confusion Can someone please explain where this formula is wrong. It was provided to me in a statistics class as a means of problem solution, however Excel does not like it. =SUM(LINEST(C2:C31, B2:B31)*(B4,1))-C4 Excel just doesn't like it but I can't seem to find why