These notes are from the 2018 version of the course. A significantly expanded new version will be made available once the 2019 course starts. 🤓

Successful communication within a scientific subject depends on all participants knowing and following a set of specific conventions. This entails using and extending notation in a standard way, and presenting work in standard order and format. Namely:

• Define a symbol before you use it.
• Do not introduce unnecessary symbols.
• Use conventional notation.
• Be wary of unintentionally repeated symbols or symbols that clash.
• Be consistent.

Finally we discuss some basic $\LaTeX{}$.