| Name | Description | Type | Package | Framework |
| EvaluateExpression | This class is used to interprete mathematical expressions. | Class | org.jscience.physics.fluids.dynamics.util | JScience |
| Matrix | Sparse Matrix, simetric or not. | Class | org.jscience.physics.fluids.dynamics.util | JScience |
| SMTPClient | Cliente SMTP to send small notification by e-mail of certain events. | Class | org.jscience.physics.fluids.dynamics.util | JScience |
| Vector2DFastInt | Class | org.jscience.physics.fluids.dynamics.util | JScience | |
| Vector3D | Class | org.jscience.physics.fluids.dynamics.util | JScience | |
| VectorFastInt | Class | org.jscience.physics.fluids.dynamics.util | JScience | |