How to use auto-partitioning with the installer?

I follow this guid, but the command “calculate -d /dev/sda” not work, and then I try “cl-install -d /dev/sda” not work too.
http://www.calculate-linux.org/main/en/installation_from_livecd

Yes, we have not yet managed to restore this function. The delay allows to consider how we can improve this feature.