An instance of this class may contain one of several base data types including doubles, singles, integers, booleans, strings, and error values.
The class implements the IConvertible interface providing methods to perform conversions between the basic data types.
Additionally the class provides methods to perform basic arithmetic operations and comparisons between ExcelCalcValue objects.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2