# Category: Reference

Last updated: 25 July 2022 Algebra Arithmetic Operations $$a(b+c) = ab + ac$$ $${{a \over b} + {c \over d}} = {{ad + bc} \over bd}$$ $${{a + c} \over b} = {{a \over b} + {c \over b}}$$ {{a \over b } \over {c \over d}} = {{a \over b} \times {d \over c}}…

In the past couple of months, I’ve been using a poolish to make our pizzas, and the results have been amazing. I made an online calculator that more or less goes by the recipe by Vito Iacopelli. It’s a really simple calculator that lets you change 3 variables in order to specify the amounts for…

A list of commonly used commands in Unix. Frequently added to and updated.