See
- Why is differentiating mechanics and integration art?
- Which functions of one variable are derivatives ?
both of which are tagged [tag-removed]. Also, both of these seem to have had these tags from the beginning, though I suspect it is due to some script or other, or some merging of tags (e.g. [calculus])
Should we be somehow cleaning up questions tagged like this? There's 418 such questions, but some of them probably should have [tag-removed], and some of them shouldn't. Thoughts?