formula

I'm working on my schedule and need a little assistance. 1. I'm trying to add in total hours on a separate column. 2. I want o's to equal 8 hour shifts, d's=8, D's=12 hrs etc etc and can't figure out how to get them to add. 3. How do I get them to add up at the end? I've checked every youtube...

From cell A2 through A660, I'm trying to catalog some football cards. my problem: to prevent myself from typing duplicate names, can I do a formula so that say Former Detroit lions player Jerry Ball, doesn't get duplicate names under player name? So is there a formula so as to prevent me...

What is the Rating Formula For Windows 8 app???