F# is a functional programming language for the .NET Framework. It combines the succinct, expressive, and compositional style of functional programming with the runtime, libraries, interoperability, and object model of .NET.

Getting Started with F#

Download F#
Get the newest release of F#, either with the Visual Studio 2010 Beta2 or as a CTP add-on for Visual Studio 2008. The F# releases include the compiler, libraries, and Visual Studio integration needed to get started developing with F#.

Learn F#
Get resources for learning F#, including articles, videos, and books. Three sample chapters of the Expert F# book are also available for preview.

F# Documentation
Browse the in-depth documentation of the F# language and library on MSDN. Or for even more details, see the draft F# language specification, also in PDF.

F# Microsoft Research Site
Find out about the history of F# as a research language at Microsoft Research.

Featured Content

October 2009 F# Release
Announcing the latest release of the F# compiler, library and Visual Studio tools. Don details the new features of this release.
F# in VS2010
S. Somasegar highlights a few of the exciting features that F# brings to VS2010, including a Simple and Succint Syntax, simplified Parallel and Asynchronous Programming and Units of Measure.
Online Content for Learning F#
A catalogue of great F# resources from around the web. Brian includes videos, forums and many useful blog posts in his list.

Featured "How do I?" Videos

F# Community Blogs

An RSS Dashboard in F#, part four (speech agents)
Previous posts in this series: An RSS Dashboard in F#, part three (RSS feeds) An RSS Dashboard in F#, part two (IObservables) An RSS Dashboard in F#, part one (intro) Last time I covered exposing... дополнительно
Tuesday, Feb 9
Trie-ing to optimize text search in F#
Any evil genius knows that if you want to stay on top you need to exercise your mind. Most evil geniuses stay strong by lifting weights with their telekinetic abilities, however I prefer video games.... дополнительно
Tuesday, Feb 9
F# 2.0 Runtime/VS 2010/.NET 4 RC now available for MSDN subscribers
MSDN subscribers yesterday were given the ability to download the release candidate (RC) of Visual Studio 2010 and .NET 4. The suite of downloads includes the F# 2.0 Runtime. One piece left out of the... дополнительно
Tuesday, Feb 9
Exploring MongoDB with F#
If you’ve been following me on Twitter, I’ve been digging a bit into MongoDB.  When I was involved with the planning of NoSQLEast this past year, I sat down and used it in anger and was quite ple... дополнительно
Monday, Feb 8 - podwysocki
F# Tutorial and Talk Today at TechDays, Paris (Late Announcement!)
There is an F# tutorial and an F# talk today at TechDays, Paris, presented jointly with Adam Granicz and Robert Pickering. The tutorial is at 13:30-14:30, Feb 9 and will be a light introduction t... дополнительно
Monday, Feb 8 - dsyme
Upcoming release and the “F# 2.0” language
If you’re very tuned in to the interwebs, you may be aware of hints that the public VS2010 release candidate (RC) will arrive soon. As usual, the F# team plans to publish a new MSI/ZIP for VS2008 and... дополнительно
Monday, Feb 8

More >

F# Community

hubFS: THE place for F#
Ask questions, post answers, and participate in the F# community at the F# forums on hubFS.net.

What's New in the F# Community
See what's going on in the F# community blogs and forums.

Send Feedback to the F# Team
Send mail to fsbugs@microsoft.com with your feedback.

F# Team Blogs

F# Forum

Generating sequences recursively. Is it possible?
I would like to write a tail recursive function with signature f: int -> seq that each call should do something with its input, yield a valu... дополнительно
Monday, Feb 8 - yanov
Visual Studio 2010 and .NET 4.0 RC, any news for F#?
The subject speaks for itself :) http://blogs.msdn.com/somasegar/archive/2010/02/08/visual-studio-2010-and-net-framework-4-release-candidate-now-avail... дополнительно
Tuesday, Feb 9 - Necroman

More >

Featured F# Library Content

Important updates and highlights of F# content in the MSDN Library.

More F# Library Content >

F# Projects from CodePlex

FScheme
Scheme-like interpreter implemented in F#.
Wednesday, Jan 20 - CodePlex
Custom WPF Controls in F#
This project is to give users non trivial examples of custom WPF controls in F#.The code is a translation of the excellent book “WPF Control Development Unleashed: Building Advanced User... дополнительно
Monday, Nov 9 - CodePlex
Aqueduct
Aqueduct is a framework for analyzing large data sets by composing small functional building blocks into complex pipeline graphs that are processed as streams.
Saturday, Sep 26 - CodePlex

More F# Projects >

F# Samples from Code Gallery

Real-World Functional Programming Samples
This project contains source for the book Real-World Functional Programming by Tomas Petricek with Jon Skeet. For more information about the book see http://functional-programming.net.
Thursday, Dec 10 - MSDN Code Gallery
LAgent: an agent framework in F#
This is an agent framework based on on F# MailboxProcessors. It supports agents, workers, error management, timeout management and hot swapping of code. The framework is described here: http://blogs.msdn.com/lucabol/archiv... дополнительно
Thursday, Jul 16 - MSDN Code Gallery
Request-Response Testing with F#
F# is Microsoft's new programming language. F# is a hybrid language -- based on functional language principles but allowing traditional imperative/procedural coding too. The F# test harness (file Project.fs) sends an HTTP... дополнительно
Thursday, Jun 25 - MSDN Code Gallery

More F# Samples >

Page view tracker