<s>
PLplot	B-Language
is	O
a	O
library	B-Library
of	O
subroutines	O
that	O
are	O
often	O
used	O
to	O
make	O
scientific	O
plots	O
in	O
compiled	O
languages	O
such	O
as	O
C	B-Language
,	O
C++	B-Language
,	O
D	B-Application
,	O
Fortran	B-Application
,	O
Ada	B-Language
,	O
OCaml	B-Language
and	O
Java	B-Language
.	O
</s>
<s>
The	O
library	B-Library
also	O
exists	O
as	O
an	O
unofficial	O
binding	O
for	O
the	O
.NET	O
runtime	O
.	O
</s>
<s>
PLplot	B-Language
can	O
also	O
be	O
used	O
interactively	O
by	O
interpreted	O
languages	O
such	O
as	O
Octave	B-Language
,	O
Python	B-Language
,	O
Perl	B-Language
and	O
Tcl	B-Operating_System
.	O
</s>
<s>
PLplot	B-Language
is	O
free	B-Application
software	I-Application
and	O
is	O
licensed	O
under	O
the	O
LGPL	B-Application
.	O
</s>
