Numerical ones don’t seem to exist outside of IT, but other fields do the same strategy of abbreviating common long words by keeping only a letter or two. The n

Numerical ones don’t seem to exist outside of IT, but other fields do the same strategy of abbreviating common long words by keeping only a letter or two. The non-numerical way is to just replace the rest with an “x” like “txn” for “transaction” in finance or “pax” for “passengers” in transportation or “sx” for “symptoms” in medicine.