To report a problem or send in some other useful comments, please use the following e-mail address (and send your e-mail from your institutional e-mail account, since non-institutional e-mail addresses are becoming problematic).

• pauloeira utl.pt

  (at)

  tecnicoa.pt

NB: alas, kindly note that I do not currently have the time for developing new suggested features.

My webpage is here.

The following links point mostly to programs capable of performing some kind of symbolic computation, else to packages that (optionally or not, and either directly or indirectly) rely on Qgraf. Some other links given further below point to webpages that provide links to other types of programs as well, including ones that perform mainly numerical calculations.

Additional hyperlinks may be found in these webpages:

Some ‘generic’ hyperlinks: