The library System.Numerics.dll, who was introduced in .Net 4.0, contains a System.Numerics.BigInteger structure. BigInteger represents a whole number of arbitrary size (or precision). Before .Net 4.0, the largest number that could be represented "out of the box" was System.Double.MaxValue. Written in decimal notation, this would be a whole number with 309 digits (more than 179 thousand centillion). However, using Double for whole number calculations is error-prone. [...]

In F#, class constructors can be declared in several different ways. To declare a non-static class, one usually defines a primary constructor, plus zero or more additional constructors. To declare a static class, one usually defines a module. Using a Primary Constructor In F#, it is possible to create a thread-safe singleton with just three lines of code: /// A public thread-safe singleton class in F#, /// using a private primary constructor. type Singleton private() = static let instance = Singleton()[...]

In F#, class constructors can be declared in several different ways. To declare a non-static class, one usually defines a primary constructor, plus zero or more additional constructors. To declare a static class, one usually defines a module. Using a Primary Constructor In F#, it is possible to create a thread-safe singleton with just three lines of code: /// A public thread-safe singleton class in F#, /// using a private primary constructor. type Singleton private() = static let instance = Singleton()[...]

Title: Programming F# Subtitle: A comprehensive guide for writing simple code to solve complex problems Publisher: O'Reilly® Author: Chris Smith Date of appearance: October, 2009 (416 Pages) The new version of Visual Studio is officially released today, April 12, 2010. It contains a new language called „F#“, designed by Don Syme of Microsoft Research Cambridge, UK. F# is a programming language that has capacities comparable to C#, but also offers the possibilities of a functional language. [...]

LII is an entity that knows nothing to start with, but learns about how to form sentences as you talk to it.  This can lead to highly amusing covnersations, that become eerily more human-like the more you teach it.  Have a play! LII will ignore some punctuation for the time being. Try to make sure you spell stuff correctly otherwise it will think you are using new words. (disclaimer: I knocked the Silveright console together in 10 minutes, and no it is not pretty, I will tart it up a bit later!)   (type i[...]