Hi,
Currently in worksheet (CHIT) I have E22=E20-E21 and the same H22=H20-H21, so I'm going to focus on E22=E20-E21.
I need that I can also update E22 so that E20=E21+E22. So in few words, I can update E20 to get an answer in E22 or update E22 to get an answer in E20. Just to remind you that...