This library lets you set up forms that have calculation dependencies among various controls. It comes with a functions library of more than 150 commonly used formulas and function implementation is extensible, allowing you can easily add your own custom functions. Cross-sheet references are supported. When used in tandem with Syncfusion Essential XlsIO (the two libraries are bundled together in the Syncfusion Essential Studio Reporting Edition package), Essential Calculate gives you Microsoft Excel-like functionality without Excel. The library can be used in ASP.NET MVC, Windows Forms, ASP.NET, Silverlight, and WPF applications. Essential Calculate features simple, hassle-free licensing, with no per-server fees, distribution fees, or royalties. It’s available stand-alone or as part of Syncfusion’s Essential Studio Enterprise Edition and Essential Studio Reporting Edition packages. Complete, easy-to-work with source code is available with the Source version of the product. Visual Studio 2008 & 2010 are supported, and the product is compatible with the Visual Studio 2012 RC. Every Syncfusion license is backed by a 1-year subscription for access to frequent new releases (one per quarter) and unlimited technical support during the period of coverage, ensuring you can get the answer you need, when you need it.