Adjacency and Incidence Matrix (Demo)

Adjacency and Incidence Matrix

How to use the drawing board:

Double left click on empty space to create a new node
Right drag from a node to another node to create an edge.
Left drag to move the nodes.
Double left click on a node or edge to delete it.

The source of this applet is included in the package. If this demo is of interest to you, you might also want to look at other free softwares in the gallery.