Categories

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

• 3-manifolds‏‎ (7 members)
• 3D computer graphics‏‎ (2 members)
• 3D printing‏‎ (1 member)
• 3 (number)‏‎ (2 members)
• 4-manifolds‏‎ (4 members)
• 4 (number)‏‎ (1 member)
• 5-limit tuning and intervals‏‎ (1 member)
• 5-polytopes‏‎ (1 member)
• A-type main-sequence stars‏‎ (1 member)
• Abelian group theory‏‎ (3 members)
• Abelian varieties‏‎ (1 member)
• Absorption spectroscopy‏‎ (1 member)
• Abstract algebra‏‎ (20 members)
• Abstract interpretation‏‎ (1 member)
• Academy Award for Technical Achievement winners‏‎ (1 member)
• Acceleration‏‎ (5 members)
• Accelerator physics‏‎ (5 members)
• Accounting‏‎ (1 member)
• Accounting research‏‎ (1 member)
• Accounting systems‏‎ (1 member)
• Accuracy and precision‏‎ (1 member)
• Acids‏‎ (1 member)
• Acid–base chemistry‏‎ (2 members)
• Acoustics‏‎ (9 members)
• Actor model (computer science)‏‎ (1 member)
• Actuarial science‏‎ (5 members)
• Actuators‏‎ (1 member)
• Adders (electronics)‏‎ (1 member)
• Addition‏‎ (1 member)
• Additive categories‏‎ (1 member)
• Additive functions‏‎ (3 members)
• Additive number theory‏‎ (3 members)
• Adjoint functors‏‎ (5 members)
• Advanced Encryption Standard‏‎ (1 member)
• Aerodynamics‏‎ (13 members)
• Aerosols‏‎ (1 member)
• Aerospace engineering‏‎ (4 members)
• Aether theories‏‎ (1 member)
• Affine geometry‏‎ (7 members)
• Agricultural soil science‏‎ (1 member)
• Agronomy‏‎ (1 member)
• Air traffic control‏‎ (1 member)
• Airborne wind power‏‎ (1 member)
• Aircraft weight measurements‏‎ (1 member)
• Aircraft wing design‏‎ (3 members)
• Airspeed‏‎ (1 member)
• Albert Einstein‏‎ (8 members)
• Alcohol measurement‏‎ (1 member)
• Algebra‏‎ (15 members)
• Algebra of random variables‏‎ (2 members)