Ans

Template:Sister project Ans or ANS or variation, may refer to:

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Places

Adrenergic nervous system, adrenaline and noradrenaline neurotransmitters distribution in human body
8-Anilinonaphthalene-1-sulfonic acid, a fluorescent chemical compound used as a molecular probe
Anthocyanidin synthase, an enzyme in the leucocyanidin biosynthesis pathway
Approximate number system, a hypothesized physiological basis for the sense of number
Autonomic nervous system, part of the peripheral nervous system in the body
L-Aspartate-nitro-succinate pathway for production of nitrite

<syntaxhighlight lang="text" class="" style="" inline="1">.ans</syntaxhighlight>, an unofficial file extension for ANSI art
Advanced Network and Services, a non-profit network service provider in the 1990s
American National Standards, defined by the American National Standards Institute
ans, a variable in calculators referring to the most recent answer
ANS carriage control characters (or ASA control characters), for computer line printers
Asymmetric numeral systems, coding in data compression
Authoritative name server, a DNS server
Artificial neural system, or Artificial neural network
Air Navigation Services, as delivered by an Air Navigation Service Provider (ANSP)
Apple Network Server, a late 1990s AIX based server machine from Apple Inc.
Astronomical Netherlands Satellite, a Dutch satellite