| Abbreviation | Definition |
|---|---|
| MaCoSa | Matematica per Conoscere e per Sapere |
| MAD | Mean Absolute Deviation |
| MAE | Mean Absolute Error |
| MAEF | Mathematics, Economics and Finance (University of Hong Kong) |
| MAF | Mathematics Achievement Fund |
| MALT | Mathematics Assessment for Learning and Teaching |
| MAML | Maine Association of Math Leagues |
| MAML | Massachusetts Association of Mathematics Leagues |
| MANIAC | Mathematical Analyzer Numerical Integrator And Computer |
| MANOVA | multivariate analyses of variance |
| MAOR | multivariate-adjusted odds ratio |
| MAP | Maximum A posteriori Probability |
| MAP | Mean Average Percision |
| MAPE | Mean Absolute Percentage Error |
| MAR | Matrix Attachment Region |
| MARM | Mentoring African Research in Mathematics |
| MARS | Multivariate Additive Regression Splines |
| MASS | Mathematics Advanced Study Semesters |
| MASTER | Mathematics Applied Science Technology Engineering and Research |
| MAT | Mathematics Admission Test |