For more information refer to Y2K Compliance . They are functionally identical.
All versions are native ports of a common source code.
Yes, because FEMtools is an open and flexible software. You can use your existing solver and interface results with the FEMtools database. Updating procedures that use your existing solver require exporting the FEMtools FE database and launching your existing solver with each iteration loop. This can be entirely automated through the use of data interface program and drivers written in FEMtools FBScript . FEMtools includes a powerful scripting language that can be used to extend the program or customize existing tools.