Always starting by assuming someone in another language wants to do the same ;) googling... fortran ffi python second result... https://maurow.bitbucket.io/notes/calling_fortran_from_misc.html
I only skimmed quickly, but it seems to hint how to do it from Pharo UFFI. cheers -ben P.S. Interesting concept. All too often its C libraries used as an example, but IIUC, Fortran still provides the highest performance of all the numerical libraries, with a many-year pedigree of reliability.
