algol68g - 2.8.4-1+b1 main

Algol 68 is a secure, expression-oriented programming language with which
you elegantly code algorithms without having to bother too much about
irrelevant technical details and limitations inherent to many other
languages.
.
Algol 68 Genie offers for example:
» many runtime checks facilitating debugging and improving the
» reliability of your programs, native support for arbitrary precision
» arithmetic including complex numbers, syntactic constructions to
» support linear algebra, a gdb-style debugger and a pretty-printer to
» beautify source code, optional linkage to GNU plotutils, the GNU
» scientific library or PostgreSQL, extensions as UNIX pipes, regular
» expression matching, and web page content fetching.