I'm not for one minute suggesting that, if people are interested in hand calculating or in following their own interests in any subject however bizarre -- they should do that.
Ak ľudia radi počítajú ručne, alebo počítajú ručne, aby sa dopracovali ku svojím ďalším záujmom v hocičom, akokoľvek divnom -- jednoznačne by to mali robiť.