Topic - Pcc

==Science and technology==* Pearson correlation coefficient (r), in statistics* Periodic counter-current chromatography, a type of affinity chromatography* Portable C Compiler, an early compiler for the C programming language* Precipitated calcium carbonate, a chemical compound* Proof-carrying code, a software mechanism that allows a host system to verify properties* Pyridinium chlorochromate, a yellow-orange salt* Pyrolytic chromium carbide coating, by vacuum deposition - Source: Wikipedia