Oh, I see what you are referring to now. In your initial post, I saw “CF” and just immediately thought “correction factor” instead of “calibration factor”, because that is the abbreviation I see so much of.
Yes, your post makes sense. But I just gotta get you pulled over to the Dark Side. I have been working on @daisymae for a year to convert her. It is so much easier and more liberating. 
At some point, give me two weeks and I know I can make you a convert.
There is a little bit of The Force in all of us:
young-jedi-master-shocked-parents