| Abbreviation | Definition |
|---|---|
| ACMD | Applied and Computational Mathematics Division |
| ACME | Advisory Committee on Mathematics Education |
| ACMS | Applied and Computational Mathematics and Statistics |
| ACMS | Association of Christians in the Mathematical Sciences |
| ACORN | Additive Congruential Random Number |
| ACS | Auxiliary Constraint Set |
| AD | Average Difference |
| ADE | Algebraic Differential Equation |
| ADF | Amplitude-Dependent Function |
| ADF | Augmented Dickey-Fuller |
| ADFT | Adaptive Discrete Fourier Transform |
| ADFT | Augmented Dickey-Fuller Test |
| ADJ | Adjacent |
| ADR | Asymmetrical Double Rectangle |
| ADS | Algorithms and Data Structures |
| ADS | Almost Difference Sets |
| AE | Almost Everywhere |
| AE | Array Element |
| AER | Average Error Rate |
| AETG | Automatic Efficient Test Generator |