Transversal Array
A set of 
cells in an 
Square such that no two come from the same row and no two come from the samecolumn. The number of transversals of an Square is 
( Factorial).
- Anomalous Number
- Anonymous
- Anosov Automorphism
- Anosov Diffeomorphism
- Anosov Flow
- Anosov Map
- ANOVA
- Anthropomorphic Polygon
- Anthyphairetic Ratio
- Antiautomorphism
- Anticevian Triangle
- Antichain
- Anticlastic
- Anticommutative
- Anticommutator
- Anticomplementary Triangle
- Antiderivative
- Antidifferentiation
- Antigonal Points
- Antihomography
- Antihomologous Points
- Antilaplacian
- Antilinear Operator
- Antilogarithm
- Antimagic Graph