For ceiling and.
Carpeting a ceiling.
Carpeting your ceiling can significantly reduce any noise or disturbances from the floor above.
The ceiling function is usually denoted by ceil x or less commonly ceiling x in non apl computer languages that have a notation for this function.
The j programming language a follow on to apl that is designed to use standard keyboard symbols uses.
And this is the ceiling function.
Some say int 3 65 4 the same as the floor function.
In this video my life long best friend don shows me his method of doing a hardwood ceiling on a budget.
Carpet helps absorb sound which could enhance the acoustics in a room with a lot of hard reflective surfaces.
If you live in an apartment building with raucous neighbors this is a smart solution.