@acer 

Hey acer, first of all, thank you very much for your answer. Yes, I can see what you are saying shifting a constant doesn’t make any sense at all. So the reason I did could be descript as a brain fart.

@Carl Love 

Thank you very much!

@acer 

Thank you for your answer!

i'm very gratefull. Have a nice day!

@Carl Love 

Thank you very much!

I’m very grateful for your help, both from you Carl Love and from acer yesterday. You guys makes my day.

Thank you very much!

Your answer makes me very happy, that was very helpful to me.