/// <summary>
/// Subtracts two cells together for LONG and DOUBLE, repalces instances of C2 in C1, for date times, return the tick count difference as an LONG
/// </summary>
/// <param name="C1">Left cell</param>
/// <param name="C2">AWValue cell</param>
/// <returns>Cell result</returns>
public static Cell operator -(Cell C1, Cell C2)
{
return(CellOperations.Substract(C1, C2));
}