/// <summary>
/// Creates a new CompositeIndicator such that the result will be the difference of the left and constant
/// </summary>
/// <remarks>
/// value = left - constant
/// </remarks>
/// <param name="left">The left indicator</param>
/// <param name="constant">The subtrahend</param>
/// <returns>The difference of the left and right indicators</returns>
public static CompositeIndicator Minus(this IUpdatable left, double constant)
{
var constantIndicator = new ConstantIndicator(constant.ToString(CultureInfo.InvariantCulture), constant);
return(left.Minus((IUpdatable)constantIndicator));
}