EsbDecimals is a free subset of the forthcoming ESBPCS for .NET - it includes Microsoft .NET Framework Assembly (v2.0, v3.0, v3.5 and v4.0 included) that have classes that supply Constants and Mathematical Routines for the Decimal Type supplied by the Framework.
Full C# source is included as well as a Documentation.
Demos for C#, VB.NET and Embarcadero Delphi Prism included.
Unit Testing using MSTest is also included.