| Acronym | Meaning |
| CPSS | Chemist's Personal Software Series |
| FEGO | Floating Ellipsoidal Gaussian Orbital |
| NLLSCF | Nonlinear Least Squares Curve Fitting |
| ASEHF | Approximate Spin-extended Hartree-Fock |
| IEEE | Institute Of Electrical And Electronics Engineers |
| ASE | Augmented Secular Equation |
| IMPACT | Integrated Model Of Plumes And Atmosphere In Complex Terrain |
| CREAMS | Chemicals |
| LHSV | Liquid Hourly Space Velocity |
| VBSCF | Valence Bond Self-consistent Field |