NP

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NP may refer to:

Video NP

Arts and entertainment

• NP (novel), by Japanese author Banana Yoshimoto

Maps NP

Organizations

• National Party (disambiguation), various political parties
• Ngee Ann Polytechnic, Singapore
• Nigeria Police Force
• Northern Pacific Railway (AAR reporting mark NP)

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Places

• NP postcode area, Newport, Wales, UK
• Nepal (ISO 3166-1 alpha-2 country code NP)
  • .np, the country code top level domain (ccTLD) for Nepal

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Science, technology and mathematics

Biology and medicine

• Nucleoside phosphorylase, an enzyme
• Nurse practitioner
• Kallikrein 8, an enzyme

Mathematics and computer science

• NP (complexity), Nondeterministic Polynomial, a computational complexity class
  • NP-complete, a class of decision problems
  • NP-hard, a class of problems in computational complexity
  • Co-NP, a complexity class

Physics and chemistry

• NP junction or PN junction in a semiconductor device
• Neper (Np), a logarithmic unit for ratios
• Neptunium, a chemical element with symbol Np
• Power number (N_p), relating resistance force to inertia force

Other uses in science and technology

• New Proposal, in the International Organization for Standardization (ISO) standardization process

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Other uses

• Noun phrase, in grammar
• Notary public, post-nominal

Source of the article : Wikipedia