Represents a value that is not a number (NaN). This field is constant.
Assembly: mscorlib (in mscorlib.dll)
The value of this constant is the result of dividing zero by zero.
This constant is returned when the result of an operation is undefined.
Use IsNaN to determine whether a value is not a number. It is not possible to determine whether a value is not a number by comparing it to another value equal to NaN.
The following example illustrates the use of :