| Acronym | Meaning |
| STS | Surface Tunnelling Spectroscopy |
| STF | Slater-type Function |
| IPPA | Independent Pair-potential Approximation |
| ADI | Alternating Direction Implicit (method) |
| CSA | Coupled States Approxn. |
| NIH | National Institutes Of Health |
| SDQ-MBPT | Single-double-quadruple Excitation Many-body Perturbation Theory |
| HFSE | High Field Strength Element(s) |
| DCTL | Direct Coupled Transistor Logic |
| CAMM | Computer-aided Molecular Modeling |