looks good. I'll give it a try this weekend. I did notice one thing which is it appears in the calculated area the Liter/Gallon choice isn't totally working on the First and Second runnings fields. The tag changes to L when I set it to liters but the actual volumes remain in Gallons.
Results
Pre-Boil: 48.99 L at 10.1°P (1.04) First Runnings: 6.34 L at 17.2°P (1.07)
Post-Boil: 40 L at 12.3°P (1.05) Second Runnings: 6.6 L at 4.4°P (1.017)
Boiloff: 8.99 L (18.3%)
Lauter Efficiency: 83.4%