sentences:  During the v3 rewrite, the code was ported from Delphi to C++ and the UI was reformed to be "Office Standard" compliant.IMSI made the strategic decision to release v3 in both 16 and 32 bit versions giving users the best of both worlds during the rocky transition of the market from Windows 3.1 to Windows 95.Since then, Alex Presniak and many of the same Russian developers (Sergey Nazarov, TurboCAD team leader; Leonid Robin, SDK development) continued to work on the TurboCAD code.