__Rigi's User Manual__, Kenny Wong. University of Victoria, 168 pages. The latest version is 5.4.4 and avilable here: * PDF: http://www.rigi.cs.uvic.ca/downloads/rigi/doc/rigi-5.4.4-manual.pdf * Postscript: http://www.rigi.cs.uvic.ca/downloads/rigi/doc/rigi-5.4.4-manual.ps.Z Version 5.4.1 (outdated!) is browsable here: * http://www.rigi.cs.uvic.ca/downloads/rigi/doc/user.html --- CategoryRigi