Wolfram|Alpha

Computing...

Input:

    h_1^(2)(3+i) | 50 digits

    Result:

    0.71490757895415415361897360776123132531548321246629-0.39232920163769146274803695708170347561897019986792 i

    Polar coordinates:

    r = 0.8154845485377135706080862414057987493271741281100 (radius), theta = -28.757236185090983927250077001408921654807988800403° (angle)