Formulas
- Multiway number partitioning
- Wu experiment
- Nonfirstorderizability
- Pearson distribution
- Two-port network
- Vapor–liquid equilibrium
- Wu–Sprung potential
- Photoelectron photoion coincidence spectroscopy
- Photon sphere
- Physics of firearms
- Pronic number
- Polytope
- Pontecorvo–Maki–Nakagawa–Sakata matrix
- Porter's constant
- Wehrl entropy