Distributed under the GNU General Public License.
Distributed under the GNU General Public License, it is free software.
MathCast is a free software application distributed under the GNU General Public License.
It is distributed under the GNU General Public License.
The interpreter is free software distributed under the GNU General Public License.
Distributed under the GNU General Public License, it runs on many platforms and operating systems.
It is free software; versions 2.1.0 and higher are distributed under the GNU General Public License.
It is distributed under the GNU General Public License and is available without charge.
The program is distributed under the GNU General Public License.
The program is written in Perl and is distributed under the GNU General Public License.