| Abbreviation | Definition |
|---|---|
| IMNA | Industrial Mathematics Network for Austria |
| IMO | International Mathematics Olympiad |
| IMOR | Industrial Mathematics and Operations Research |
| IMP | Integrative Modeling Platform |
| IMP | Interactive Mathematical Proofs |
| IMP | Interactive Mathematics Program |
| IMP | logical IMPlied |
| IMPACS | Institute of Mathematics Physics and Computer Science |
| IMS | Incrementally Matched Sets |
| IMSA | The Illinois Mathematics And Science Academy |
| IMSL | International Mathematical And Statistical Library |
| IMTE | Illinois Mathematics Teacher Educators |
| IMUS | Institute of Mathematics of the University of Sevilla |
| INAR | INteger-valued Auto-Regressive |
| INAT | Improving Numeracy and Algebraic Thinking |
| INCA | Inequality Necessary Condition Analyzer |
| IND | Irreducible Non-Diagonal |
| INL | Integral Non-Linearity |
| INM | Institute of Numerical Mathematics |
| INMO | Indian National Mathematics Olympiad |