Realm

v1:3999

gno.land/r/moul/x/daily/romannumdemo/v1:3999

Render

3999 → MMMCMXCIX

decimal	roman
3999	MMMCMXCIX

Try it

:/<n> — integer → Roman, e.g. :/2024 → MMXXIV
:/r/<roman> — Roman → integer, e.g. :/r/MMXXIV → 2024

Source (qfile)

README.md
gnomod.toml
romannumdemo.gno