https://ctan.org/recommendations/metafp
CTAN: Suggestions for metafp
ctansuggestions
https://www.ctan.org/tex-archive/info/metafont/metafp
CTAN: /tex-archive/info/metafont/metafp
archive infoctantex
https://ctan.org/pkg/metafp?lang=en
CTAN: Package metafp
ctanpackage