Categories

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

• Partial differential equations (1 member)
• Pascal's triangle (0 members)
• Peakon (1 member)
• Peano curve (1 member)
• Peasants by Bogdanov-Belsky (1 member)
• Penrose tilings (1 member)
• Pentagamma function (1 member)
• Pentagonal numbers (1 member)
• Period-doubling bifurcation (1 member)
• Periodic functions (1 member)
• Permutations of 8 elements (1 member)
• Petroleum production in Norway (2 members)
• Phase space diagrams (1 member)
• Phenolphthalein (1 member)
• Photographs by Zachi Evenor (1 member)
• Photomontages (1 member)
• Photos by User:Geek3 (2 members)
• Physics plots (1 member)
• Pi (2 members)
• Piecewise linear functions (1 member)
• Pixels (2 members)
• Plastic ratio (1 member)
• Pleistocene (1 member)
• Plots by Jarek Tuszynski (2 members)
• Points (mathematics) (1 member)
• Polarizability (1 member)
• Pole-zero plots (1 member)
• Poles (functions) (1 member)
• Polish Wikibooks (5 members)
• Political history of the United States (1 member)
• Polyhedra (2 members)
• Polylogarithm (8 members)
• Polynomial functions (7 members)
• Polytopes (1 member)
• Portrait paintings of knitting women (1 member)
• Portrait paintings of women wearing white lace caps (1 member)
• Positive feedback (1 member)
• Postal history of the United States (1 member)
• Potential flow (1 member)
• Power and root functions (4 members)
• Powers of two (1 member)
• Pre-Columbian anthropomorphic figurines (1 member)
• Pre-Columbian art in the Jacobins Museum, Auch (1 member)
• Prime Pi function (1 member)
• Probability distributions (1 member)
• Proof without words (1 member)
• Proportions (architecture) (1 member)
• Protons (1 member)
• Prototiles (1 member)
• Pulse tube refrigerator (2 members)