Let's start with this screenshot: First, it's showing a post-boil gravity of 1.038. This is amazing, since the pre-boil gravity is 1.041. In other words, I'd have to add water to the original wort to get to that number even though I'm boiling for 90 minutes! The original gravity of 1.057 is about right but what I (and a newbie I just answered in another section of the forums) don't understand is why do they differ? I can see the OG being higher or lower if I add sugar or water after flameout but in this recipe, this is not the case (and Brewer's Friend is not equipped to make that kind of calculation). Second, the hop utilization is at 82%. This is rather unusual: Utillization is generally the amount of iso-alpha acid extracted divided by the dry weight of the hops. It would appear the utilization formula you are using is the amount of iso-alpha acid extracted divided by the iso alpha acid available. Slightly different but odd, particularly if one is looking for utilization figures in the 25%-30% range. You might want to put help in the form of a question mark or hover-over explanation of what the values are and how you derive them, especially if the calculation appears to make no sense.