<s>
QtiPlot	B-Language
is	O
a	O
cross-platform	B-Operating_System
computer	O
program	O
for	O
interactive	O
scientific	B-Application
graphing	I-Application
and	O
data	B-General_Concept
analysis	I-General_Concept
.	O
</s>
<s>
It	O
is	O
similar	O
to	O
Origin	B-Application
or	O
SigmaPlot	B-Application
.	O
</s>
<s>
QtiPlot	B-Language
can	O
be	O
used	O
to	O
present	O
2D	O
and	O
3D	O
data	O
and	O
has	O
various	O
data	B-General_Concept
analysis	I-General_Concept
functions	O
like	O
curve	O
fitting	O
.	O
</s>
<s>
Plotting	B-Application
of	O
3D	O
data	O
can	O
be	O
rendered	O
using	O
OpenGL	B-Application
using	O
the	O
Qwt3D	O
libraries	O
.	O
</s>
<s>
The	O
program	O
is	O
also	O
extensible	O
to	O
a	O
considerable	O
degree	O
via	O
muParser	O
and	O
Python	B-Language
scripting	I-Language
language	I-Language
,	O
which	O
allows	O
adding	O
the	O
arbitrary	O
user-defined	O
functions	O
with	O
access	O
to	O
graphs	O
,	O
matrices	O
and	O
data	O
tables	O
.	O
</s>
<s>
Older	O
QtiPlot	B-Language
versions	O
up	O
to	O
0.9.8.9	O
were	O
released	O
under	O
the	O
terms	O
of	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
(	O
GPL	B-License
)	O
and	O
are	O
available	O
also	O
as	O
binaries	O
for	O
Linux	B-Application
distribution	O
repositories	O
as	O
well	O
as	O
for	O
Windows	O
.	O
</s>
<s>
Compiled	O
binaries	O
are	O
available	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
several	O
Linux	B-Application
distributions	O
and	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
including	O
the	O
new	O
ARM	B-Device
M1	I-Device
chips	I-Device
;	O
downloading	O
binaries	O
from	O
the	O
author	O
's	O
website	O
requires	O
purchase	O
of	O
an	O
annual	O
maintenance	O
contract	O
.	O
</s>
