Sorry forgot to add I've got a macbook, will these work on my system? Thanks for taking time to answer
Phil
Excuse the noob question but what do you need a brew calculator for and how does it work?
Technically nobody "needs" a brewing calculator, but they can be handy for a LOT of people who want to formulate recipes without doing the math manually.
A brewing calculator can help you dial a recipe to fit a style. It can calculate water to grain ratios, hoping rate, etc.
There are a lot of variables to keep track of when you want to formulate a recipe from scratch, especially for brewing All Grain.
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