Hmm, where are you from? I'm from norther Spain and those nouns don't suggest anything related to science for me. "El matemático" may be, but just because we as

Hmm, where are you from? I'm from norther Spain and those nouns don't suggest anything related to science for me. "El matemático" may be, but just because we associate it with a theoretical field, "Informático" is a practitioner of "Informática", as "Químico" is from "Química".