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, or UPC, is a one dimensional or linear barcode that is seen by more people than any of the other types of barcodes. UPC symbols are required in the retail industry and in the food service industry.