Now GEOTEC Office 12.2 (Including ELPLA) is simpler with only one edition that works for all and it is free for non-commercial use.
Professional Edition
The professional edition provides professional users with all methods for analysis and design raft/piled raft, floor slab, a system of rafts, and more. It includes all the features of the ELPLA theory.
The following table shows the difference among ELPLA editions: