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F# - .NET Blog

Introducing the Half type!

August 31, 2020 Aug 31, 2020 08/31/20
Prashanth Govindarajan
The IEEE 754 specification defines many floating point types, including: binary16, binary32, binary64 and binary128. Most developers are familiar with binary32 (equivalent to float in C#) and binary64 (equivalent to double in C#). They provide a standard format to represent a wide range of values with a precision acceptable for many ...

An Introduction to DataFrame

December 16, 2019 Dec 16, 2019 12/16/19
Prashanth Govindarajan
Last month, we announced .NET support for Jupyter notebooks, and showed how to use them to work with .NET for Apache Spark and ML.NET. Today, we're announcing the preview of a DataFrame type for .NET to make data exploration easy. If you've used Python to manipulate data in notebooks, you'll already be familiar with the concept of a DataFrame...

The F# development home on GitHub is now dotnet/fsharp

May 20, 2019 May 20, 2019 05/20/19
Phillip Carter
TL;DR We've moved the F# GitHub repository from microsoft/visualfsharp to dotnet/fsharp, as specified in the corresponding RFC. F# has a somewhat strange history in its name and brand. If we roll back the clocks to the year 2015, F# sort of had two identities. One side of this was Visual F#, or "VisualFSharp"; a product within Visual ...

Announcing F# 4.6

March 29, 2019 Mar 29, 2019 03/29/19
Phillip Carter
We're excited to announce general availability of F# 4.6 and the F# tools for Visual Studio 2019! In this post, I'll show you how to get started, explain the F# 4.6 feature set, give you an update on the F# tools for Visual Studio, and talk about what we're doing next. F# 4.6 was developed entirely via an open RFC (requests for comments) ...

Submit to the Applied F# Challenge!

February 5, 2019 Feb 5, 2019 02/5/19
Phillip Carter
This post was written by Lena Hall, a Senior Cloud Developer Advocate at Microsoft. F# Software Foundation has recently announced their new initiative — Applied F# Challenge! We encourage you to participate and send your submissions about F# on Azure through the participation form. Applied F# Challenge is a new initiative to ...

Announcing F# 4.6 Preview

January 24, 2019 Jan 24, 2019 01/24/19
Phillip Carter
F# 4.6 is now fully released. See the announcement blog post for more. We're excited to announce that Visual Studio 2019 will ship a new version of F# when it releases: F# 4.6! F# 4.6 is a smaller update to the F# language, making it a "true" point-release. As with previous versions of F#, F# 4.6 was developed entirely via an open RFC (...

Announcing F# 4.5

August 14, 2018 Aug 14, 2018 08/14/18
Phillip Carter
Today, we’re incredibly pleased to announce general availability of F# 4.5. This post will walk through the changes in F# 4.5 (just like the preview post), then show some updates to F# tooling, and finally talk a bit about where what we’re thinking about for the next F# version. Get started F# 4.5 can be acquired in two ways...

Announcing F# 4.5 Preview

July 26, 2018 Jul 26, 2018 07/26/18
Phillip Carter
Accounting for this change on Windows build servers: You may be doing one of the following things to install F# on a Windows build server. Installing the full Visual Studio IDE Installing the F# Compiler SDK MSI Neither of these options have been recommended for some time, but are still available with F# 4.1.

F# language and tools update for Visual Studio 2017 version 15.7

May 8, 2018 May 8, 2018 05/8/18
Phillip Carter
We’re excited to share updates about changes to F# and F# tools which shipped with the Visual Studio 2017 version 15.7 release. Let’s dive in! Type Providers now support .NET Standard For those who aren’t familiar with Type Providers, they are a feature of F# which allow you to get IntelliSense for data. When pointed at a data source, ...