T minus zero means out of time. This comes from a countdown convention used in by both the American military and NASA. Generally, it is used when counting down to a major event that will happen at a specific time. Mathematically, T is time, minus whatever amount of time is left until the event happens.
MPC: Music Production Center (Akai electronic musical instrument) MPC: Mario Paint Composer (computer game) MPC: Multiplayer Cheats (gaming) MPC: Mega Particle Cannon (Gundam, fiction) MPC: Morlaix Poker Club (Morlaix, France) MPC: Musica Para Camaleones (Spanish: Music for Chameleons; Truman Capote stories) MPC: Master Player Clan (gaming) MPC
The Universal Product Code (UPC) is a barcode symbol that is used to track trade items in stores (e.g., audio and video products). The UPC appears as a barcode symbol with 12 digits printed below it. Hyphens or spaces usually separate the elements of the number on the item.