Days left on 30 day demo

[BigZilla]

How do you set up a calculation showing the number of days left on a 30 day demo? You know, "This demo expires in 12 days" kind of thing! I've seen it many times but I don't know how to write the calcualtion for it.

Thanks for your help,

[Vaughan]

InstallDate - CurrentDate + 30

[BigZilla]

Thanks Vaughan, that works great.

Bill