1. This is why spreadsheets, which are modeling tools , don't even have them. 2. "' PragmaDev Studio "'is a modeling tool introduced by PragmaDev in 2002. 3. The software implementation was demonstrated into OPCAT, the OPM-supporting modeling tool . 4. DogmaModeler is a modeling tool that was also supports this principle. 5. PowerDesigner data modeling tool market share in 2002 was 39 %. 6. Graphical modeling tools aim to improve these aspects of design. 7. Boolean operations, extrusions, revolves, and bevels, as well as lattice deformations and relational modeling tools . 8. Additionally the company provides engineering optimization and modeling tools . 9. The Rational Rose family of products is a set of UML modeling tools for software design. 10. RISE can be envisioned as a modeling tool implementing the DRY principle for information system engineering.