The Numeric-21.0.ebuild works for the 22.0 version without any changes. I've been using it for quite some time now.
Created attachment 5225 [details] Numeric-22.0.ebuild Exact copy of the Numeric-21.0.ebuild existing in portage.
Any reason for this no-brainer ebuild update not being commited to Portage?
Added to CVS, please allow some time for your mirror to carry it and try it out.
Tested. It works fine.