Excel exercises!

On the 23rd of July we learned about how to do exercises using excel. It’s pretty interesting and easy to create. I think we've learned this a couple of years ago when we were in Part 1. Never mind, where was I? Oh yeah, we had to write all those formulas such as (ermmm...I can't really remember but I saved it) in order to make the results appear. Here’s a piece of my work sir...(huhu it's too small and i saved the wrong part of the exercise...) I hope it's okay coz at least I have something to show ya... :p