I am a little confused on how this works. I have been browsing the forum for quite a while now. First off I am on a Mac if that makes any difference.

Ok, so here is the problem. I have a row A1 to A100 and in each cell there is a different number. I need to add 15 to each cell and it would be too time consuming to just do it one by one.

Does anyone know the correct formula?