Updates 

A bug in grPlot is corrected. 
24 Dec 2003 
Draws the graph and solves the tasks: Maximal Flow, Maximal Matching, Minimal Vertex Cover, Minimal Spanning Tree, Shortest Path etc. 
20 Jan 2004 
Draws the graph and solves the tasks: Maximal Flow, Maximal Matching, Minimal Vertex Cover, Minimal Spanning Tree, Shortest Path etc. 
09 Feb 2004 
ShortPath had update for fast calculation 
26 Aug 2004 
The new email is added 
14 Sep 2004 
PlotGraph is updated 
11 Oct 2004 
CycleBasis is updated 
28 Mar 2006 
All functions are updated, new functions are added. 
30 Mar 2006 
Summary title is updated 
26 Apr 2006 
The function grMinAbsEdgeSet are included. 
09 May 2006 
The grMinSpanTree had update;
two new functions are created. 
16 May 2006 
The function grPERT is added. 
29 Jun 2006 
Two new functions is added. One function with bugs is deleted. 
05 Jul 2006 
Two new functions is added 
08 Aug 2006 
The function grDecOrd has update. 
11 Jul 2009 
two new functions are added 
09 Nov 2009 
Bugs in some functions for work with the isolated vertexes were corrected. Thanks to Marcin Eichner! 
30 Jan 2011 
New function grShortVerPath is added. 