Type some F# code and press the "Load and Run" button. Alternatively, type an F# expression at the cursor, followed by ;;, and press Enter.

• Restartable File.ReadLines by Tony Lee on 2011-03-18T22:49:26
• Compiler Regression in VS2010-SP1 by fholm on 2011-03-16T14:05:28
• Member constraints on records by Tim Robinson on 2011-03-14T20:56:33
• Dumping record type sequence to file by Chief Inspector Clouseau on 2011-03-14T12:19:04

• more snippets...

Visit one of these sites to learn how:

• F# site on MSDN
• Try F# at Microsoft Research
• F# manual on MSDN
• hubFS: THE place for F#