I have a basic sheet that I am going to import an excel sheet into every morning. It is for sample release testing. I have a column for the date that the sample was logged in, and one for when the sample was approved for release.
I want to calculate the days it took from log in to approved. I have tried a few formulae that I found here, but I can't seem to get it to work. Here is what I have tried:
=([SLIM Approved]@row - PARENT([Log In Date]@row) ERROR: #INVALID COLUMN VALUE
=[SLIM Approved]@row - [Log In Date]@row) ERROR: #UNPARSEABLE
Here is a screenshot, sorry for the scribbles!