Not just LA, pretty much all numerical methods. Fortran is still a very natural and surprisingly pleasant language for numerics these days. It&#x27;s just terrible at everything else... which is why it doesn&#x27;t get much attention in the broader programming community I think.<p>Fortran is in a somewhat unique niche- basically anybody who uses a computer uses a library written in Fortran (via BLAS) but very few people are aware of it, especially that it has continued to develop and is actively in usd. There are plenty of places (mostly related to parallel evaluation) where Fortran is state of the art. But speaking as someone mildly competent in it, it isn&#x27;t something everybody needs to care about. It has its niche and is pretty awful at everything else, best left to its little island of programmers. Haskell is my favorite language and C++ or Python are what I use in a professional setting, but I won&#x27;t hesitate to break out the good old `IMPLICIT NONE` if it is the right tool.