Categories

The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.

• Parallel computing‏‎ (1 member)
• Parametric families of graphs‏‎ (3 members)
• Parametric statistics‏‎ (1 member)
• Parity (mathematics)‏‎ (3 members)
• Partial differential equations‏‎ (38 members)
• Partial fractions‏‎ (2 members)
• Particle detectors‏‎ (3 members)
• Particle distributions‏‎ (2 members)
• Particle physics‏‎ (17 members)
• Particle statistics‏‎ (2 members)
• Particulates‏‎ (2 members)
• Paul Dirac‏‎ (3 members)
• Paul Erdős‏‎ (3 members)
• Paul Lévy (mathematician)‏‎ (1 member)
• Paul Malliavin‏‎ (1 member)
• Pauli exclusion principle‏‎ (1 member)
• Peak oil‏‎ (1 member)
• Pediatrics‏‎ (1 member)
• Pendulums‏‎ (1 member)
• Perception‏‎ (1 member)
• Periodic continued fractions‏‎ (3 members)
• Permutation groups‏‎ (3 members)
• Permutations‏‎ (7 members)
• Personnel economics‏‎ (1 member)
• Perturbation theory‏‎ (2 members)
• Pest insects‏‎ (1 member)
• Pesticides‏‎ (1 member)
• Peter Debye‏‎ (2 members)
• Petroleum geology‏‎ (3 members)
• Petroleum production‏‎ (1 member)
• Pharmaceutical industry‏‎ (2 members)
• Pharmaceutics‏‎ (1 member)
• Pharmacokinetics‏‎ (4 members)
• Phase transitions‏‎ (5 members)
• Phases of matter‏‎ (2 members)
• Philosophical logic‏‎ (1 member)
• Philosophical movements‏‎ (1 member)
• Philosophical problems‏‎ (1 member)
• Philosophy of mathematics‏‎ (1 member)
• Philosophy of mind‏‎ (1 member)
• Philosophy of thermal and statistical physics‏‎ (1 member)
• Photogrammetry‏‎ (1 member)
• Photographic shutters‏‎ (1 member)
• Photographic techniques‏‎ (1 member)
• Photometry‏‎ (8 members)
• Photonics‏‎ (3 members)
• Photosynthesis‏‎ (1 member)
• Phylogenetics‏‎ (2 members)
• Physical chemistry‏‎ (13 members)
• Physical constants‏‎ (8 members)