P (disambiguation)

From Wikipedia, the free encyclopedia
Jump to: navigation, search

P is the sixteenth letter of the ISO basic Latin alphabet.

P may also refer to:

Arts, literature and music[edit]

Computing[edit]

Mathematics[edit]

  • p-value, in statistical hypothesis testing
  • P (complexity), a complexity class in computational complexity theory
  • #P complexity class
  • pico- SI prefix
  • Peta- Metric system prefix

Money, corporate[edit]

Science[edit]

  • p, the symbol for momentum in physics
  • P, the symbol for power (physics)
  • Poise, the unit for dynamic viscosity in the centimetre gram second system of units
  • P, the symbol for the chemical element phosphorus
  • p, the symbol for pressure
  • p, the SI prefix symbol for pico-, 10-12
  • p, approximates the negative common logarithm (base 10) in pH, the measure of acidity or basicity
  • Haplogroup P (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup
  • Haplogroup P (Y-DNA), a Y-chromosomal DNA (Y-DNA) haplogroup
  • p designates the short arm of a chromosome
  • ATC code P Antiparasitic products, insecticides and repellents, a section of the Anatomical Therapeutic Chemical Classification System
  • Proline, an amino acid abbreviated P or Pro