Usage instructions under cygwin: 1. Type startx to initialize the X-server 2. Untar the archive file. This will create a directory called freeda-1.2.1. The directory structure looks like freeda-1.2.1\ - simulator\ - bitmaps\ - projects\ - ifreeda.exe - freeda.exe 3. Make sure that ifreeda.exe is exectuted from the simulator directory. Any new projects will be saved under the projects directory. The projects directory also contains some examples for reference. In case of any queries or questions, please contact Justin Lowry at jqlowry@ncsu.edu or Nikhil Kriplani at nkriplani@ncsu.edu. fREEDA and ifreeda are licensed under the GNU Public License. Several components of the ifreeda GUI were borrowed from the QUCS simulator, (qucs.sf.net).