<s>
Veusz	B-Application
is	O
a	O
scientific	O
plotting	B-Application
package	O
.	O
</s>
<s>
Veusz	B-Application
is	O
a	O
Qt	B-Language
application	O
written	O
in	O
Python	B-Language
,	O
PyQt	B-Language
and	O
NumPy	B-Application
.	O
</s>
<s>
It	O
is	O
freely	B-Application
available	O
for	O
anyone	O
to	O
distribute	O
under	O
the	O
terms	O
of	O
the	O
GPL	B-License
.	O
</s>
<s>
This	O
program	O
produces	O
plots	O
in	O
popular	O
vector	O
image	O
formats	O
,	O
including	O
PDF	B-Application
,	O
PostScript	B-Language
and	O
SVG	B-Application
.	O
</s>
<s>
It	O
is	O
cross-platform	B-Operating_System
,	O
working	O
under	O
Microsoft	B-Application
Windows	I-Application
,	O
macOS	B-Application
and	O
Unix/Linux	O
.	O
</s>
<s>
Plots	O
are	O
built	O
up	O
from	O
a	O
set	O
of	O
plotting	B-Application
widgets	O
which	O
can	O
be	O
added	O
to	O
the	O
document	O
and	O
whose	O
properties	O
are	O
edited	O
using	O
a	O
consistent	O
interface	O
.	O
</s>
<s>
Widgets	O
include	O
X-Y	O
plots	O
,	O
functions	O
,	O
contours	O
,	O
box	B-Application
plots	I-Application
,	O
polar	O
plots	O
,	O
ternary	B-Application
plots	I-Application
,	O
vector	O
plots	O
,	O
data	O
images	O
,	O
labels	O
and	O
a	O
variety	O
of	O
shapes	O
.	O
</s>
<s>
Datasets	O
can	O
be	O
read	O
using	O
standard	O
formats	O
such	O
as	O
CSV	O
,	O
HDF5	B-Application
or	O
FITS	O
,	O
or	O
entered	O
,	O
edited	O
or	O
created	O
using	O
functions	O
from	O
existing	O
datasets	O
.	O
</s>
<s>
Veusz	B-Application
is	O
extensible	O
with	O
Python	B-Language
plugins	O
.	O
</s>
<s>
The	O
program	O
also	O
provides	O
a	O
command	O
line	O
and	O
scripting	O
interface	O
(	O
based	O
on	O
Python	B-Language
)	O
to	O
its	O
plotting	B-Application
facilities	O
.	O
</s>
<s>
The	O
saved	O
file	O
format	O
is	O
a	O
simple	O
Python	B-Language
text	O
script	O
,	O
which	O
makes	O
it	O
easy	O
to	O
create	O
plots	O
from	O
other	O
programs	O
.	O
</s>
<s>
Veusz	B-Application
was	O
reviewed	O
by	O
Linux	B-Application
Format	O
magazine	O
,	O
saying	O
that	O
"	O
There	O
's	O
plenty	O
of	O
scope	O
for	O
creating	O
colourful	O
,	O
engaging	O
graphics	O
"	O
.	O
</s>
<s>
Veusz	B-Application
can	O
also	O
be	O
used	O
as	O
a	O
drawing	O
backend	O
for	O
the	O
SciTools	O
Easyviz	O
package	O
.	O
</s>
