| Abbreviation | Definition |
|---|---|
| IA | Intermediate Algebra |
| IA | Iterative Algorithm |
| IAAT | Iowa Algebra Aptitude Test |
| IAAT | Iowa Algebra Aptitue Test |
| IAC | Intermediate Adequacy Condition |
| IACM | Institute of Applied and Computational Mathematics |
| IAD | Intermediate Algebra Diagnostic |
| IAMP | International Association of Mathematical Physics |
| IANM | Institute for Applied and Numerical Mathematics |
| IARA | Iowa Algebra Readiness Assessment |
| IASM | Interdisciplinary Applied Science and Mathematics |
| IAVM | Institute for the Advancement of Vedic Mathematics |
| IB | Integrity Basic |
| IC | In (this) Case |
| IC | Index of Coincidence |
| IC | Integrity Constraint |
| IC | Intermediate Conclusion |
| ICAM | Interdisciplinary Center For Applied Mathematics |
| ICBS | Integrated Comprehensive Banking System |
| ICC(s) | intraclass correlation coefficient(s) |