“Codes” is idiomatic in some disciplines. For example in aerospace engineering when discussing various analysis implementations, everyone calls them codes. “Whi

“Codes” is idiomatic in some disciplines. For example in aerospace engineering when discussing various analysis implementations, everyone calls them codes. “Which vortex lattice method codes do you like?” “Oh I just use panel codes.” And it’s not slang, you see that usage in textbooks and academic papers as well.