I don't work on it directly, but the code base where I work has lots of Fortran. I'm pretty sure they've been trying to migrate away from it since the early 90

I don't work on it directly, but the code base where I work has lots of Fortran. I'm pretty sure they've been trying to migrate away from it since the early 90s, yet it's still there. Fortran has an amazing amount of staying power.