| Acronym | Meaning |
| HPCS | High-performance Computing Section |
| IAHS | International Association Of Hydrological Sciences |
| IRCTR | International Research Centre For Telecommunication-transmission And RADAR |
| FD | Facility Division |
| FIRE | Fast Imaging Ranicon Experiment |
| EF | Error Function |
| NCEP | National Centers For Environmental Prediction |
| PC | Personal Computer |
| O-O | Object-oriented |
| DNFSB | Defense Nuclear Facilities Safety Board |