| Acronym | Meaning |
| PWG SCF | Plane-wave Gaussian Self-consistent Field Method |
| SCHA | Self-consistent Harmonic Approxn. |
| GEA | Gradient-expansion Approxn. (in Exchange-energy Calcns.) |
| FIRF | Finite Impulse Response Filter |
| SNRNP | Small Nuclear Ribonucleoprotein |
| ONCV | Orthonormality Constrained Variation (quantum Method) |
| MRNA | Messenger Ribonucleic Acid |
| GIPM | Ground State Inversion Potential Method |
| NAPL | Nonaqueous Phase Liquid |
| BEM | Boundary Element Method |