![Jonathan Hernon on X: "@jes_chastain Aaron Sorkin doesn't own a calculator so he asked me to post this https://t.co/yc6TJLnWZd" / X Jonathan Hernon on X: "@jes_chastain Aaron Sorkin doesn't own a calculator so he asked me to post this https://t.co/yc6TJLnWZd" / X](https://pbs.twimg.com/media/FGTq-avWQAAGQ9t.jpg:large)
Jonathan Hernon on X: "@jes_chastain Aaron Sorkin doesn't own a calculator so he asked me to post this https://t.co/yc6TJLnWZd" / X
![Refractometer calculator question. Do I input brix for OG and FG or can I dial in the SG at the top and it calculates backwards? Or is this just a stupid question? : Refractometer calculator question. Do I input brix for OG and FG or can I dial in the SG at the top and it calculates backwards? Or is this just a stupid question? :](https://i.redd.it/4cmsi6lv1an71.jpg)
Refractometer calculator question. Do I input brix for OG and FG or can I dial in the SG at the top and it calculates backwards? Or is this just a stupid question? :
![Fg-multi Functional Scientific Calculator Computing Tools For School Office Use Supplies | Fruugo NO Fg-multi Functional Scientific Calculator Computing Tools For School Office Use Supplies | Fruugo NO](https://img.fruugo.com/product/0/11/786853110_max.jpg)