| Abbreviation | Definition |
|---|---|
| PASTA | Process Algebra and Stochastically Timed Activities |
| PAT | Principal Axis Transform |
| PB | Packet Buffer |
| PB | Poisson Brackets |
| PBC | Partial Boundary Constraint |
| PBC | Periodic Boundary Condition |
| PBD | Pseudo B Divisorial |
| PC | Perfectly Complex |
| PC | Point of Curvature |
| PC | Polar Cycloaddition |
| PC | Precalculus |
| PCA | Principal Component Analysis |
| PCC | Point of Compound Curvature |
| PCE | Purpose of Coset Enumeration |
| PCF | Possible Cofinalities |
| PCIC | Piecewise Convex Information Criterion |
| PCL | Process Cotrol Language |
| PCLM | Pennsylvania Council of Leaders of Mathematics |
| PCLS | Peak Constrained Least Squares |
| PCMP | Preperation for College Mathematics Program |