GAMS Classification Scheme GAMS Classification Scheme| A | Arithmetic, error analysis |
| B | Number theory |
| C | Elementary and special functions |
| D | Linear Algebra |
| E | Interpolation |
| F | Solution of nonlinear equations |
| G | Optimization |
| H | Differentiation, integration |
| I | Differential and integral equations |
| J | Integral transforms |
| K | Approximation |
| L | Statistics, probability |
| M | Simulation, stochastic modeling |
| N | Data handling |
| O | Symbolic computation |
| P | Computational geometry |
| Q | Graphics |
| R | Service routines |
| S | Software development tools |
| Z | Other |