Programming Tutorials

Excellent Free Tutorials to Learn F#

F# (pronounced F sharp) is a general purpose, strongly typed, multi-paradigm programming language that encompasses functional, imperative, and object-oriented programming methods. F# was modeled on Objective Caml (OCaml), a successful object-oriented functional programming language, and then tweaked and extended to mesh well technically and philosophically with .NET.

F# is most often used as a cross-platform Common Language Infrastructure (CLI) language, but it can also generate JavaScript and graphics processing unit (GPU) code.

F# belongs to the ML family of languages and is ideal for implementing interpreters and compilers because it has datatypes and pattern matching and is strongly typed. This leads to a brevity and clarity of examples that cannot be matched by non-functional languages.

F# is valuable to programmers at any skill level; it combines many of the best features of functional and object-oriented programming styles into a uniquely productive language.

Here’s our recommended tutorials to learn F#. If you’re looking for reading material that’s more substantial, check out our recommended free F# books.


1. The “Thinking functionally” series by fsharpforfunandprofit.com

This series of posts will introduce you to the fundamentals of functional programming – what does it really mean to “program functionally”, and how this approach differs from object oriented or imperative programming.

Read the posts


2. F# For Beginners by Sacha

A collection of blog posts offering a good introduction to the language.

Read the blog posts


3. F# Tutorial by Derek Banas

This teaches the core syntax of the F# language. Topics cover functions, math, strings, looping, while, for interating, conditionals, and much more.

Watch the video


4. F# Cheatsheet by Anh-Dung Phan

This cheatsheet glances over some of the common syntax of F# 3.0.

Read the cheatsheet


5. Functional Koans – F# by Chris Marinos

Inspired by EdgeCase’s fantastic Ruby koans, the goal of the F# koans is to teach you F# through testing.

When you first run the koans, you’ll be presented with a runtime error and a stack trace indicating where the error occured. Your goal is to make the error go away. As you fix each error, you should learn something about the F# language and functional programming in general.

Visit the website


All tutorials in this series:

Free Programming Tutorials
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FactorDynamic stack-based language
ForthImperative stack-based programming language
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GDScript Godot’s built-in language for scripting and interacting with nodes
GoCompiled, statically typed programming language
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HackFor the HipHop Virtual Machine (HHVM), created as a dialect of PHP
HamlHTML Abstraction Markup Language
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JavaScriptInterpreted, prototype-based, scripting language
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LessBackwards-compatible language extension for Cascading Style Sheets
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LuaDesigned as an embeddable scripting language
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MoonScriptDynamic scripting programmer friendly language that compiles into Lua
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OctaveHigh-level language, primarily intended for numerical computations
OpenCLOpen Computing Language
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PHPPHP has been at the helm of the web for many years
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PostScriptPage description language in electronic and desktop publishing
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