The code on this site is mostly written in F#. F# code tends to be as simple as equivalent Python or R code, but it is usually faster and more robust. This makes it a good language for finance, where simplicity, speed, and correctness are important.

Resources for learning F#

1. Microsoft's Learn F# site. In particular:
   • Luis Quintanilla's F# for Beginners YouTube series, with code samples in this github repo.
   • Self-guided F# tutorials
   • The What is F#? page.
2. Exorcism.org is a great site for learning languages. This link takes you to the F# learning track.
3. F# Syntax Cheatsheet.
4. Official F# Language Guide.
5. F# for Fun and Profit has many great articles on F# and domain modelling with types.